Optimus Prime

"Autobots, Roll Out!"
- Optimus Prime
Optimus Prime is the main protagonist of the Transformers film series and the leader of the Autobots, the last Prime, and the brother of the Decepticon leader Megatron. He is also known as "Orion Pax"
When placed under the control of Quintessa, he is dubbed Nemesis Prime.
He has appeared in all of Michael Bay's Transformers films as well as the reboot Bumblebee film, albeit he is completely redesigned in appearance. He was more of his G1 counterpart. His vehicle mode being a Freightliner fl86. Equipped with his signature ion blaster. Though it may be the only weapon we see in the movie, he does have many more. Along with his ending scene in Bumblebee, Optimus Prime had his trailer like in Transformers: Dark of the Moon. 
In seven film Optimus say "I'm going to take back Scourge's key, and then...take off his head." That the origins of Optimus Prime's "GIVE ME YOUR FACE" phase. This raises the question of whether this Optimus is the one that was in the first five films, or is it a different Optimus but with the same character.
==Biography==
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Optimus had a mentor by Sentinel Prime, the last Prime before him, and eventually became the leader of the Cybertronian scientific division, while Megatron became Lord High Protector of Cybertron. When Megatron was corrupted by The Fallen and formed the Decepticons, Optimus rose up against him in a vicious war.
Near the end of the war, after the Ark, along with Sentinel Prime and the Autobots' last hope of winning the war, vanished into space, Optimus was forced to launch the AllSpark into deep space to keep it out of the hands of the Decepticons. Without the AllSpark, Cybertron was reduced to a barren wasteland, forcing Optimus, the Autobots, and the Decepticons to abandon their homeworld and flee across space.
=== Transformers (film) ===
Following a beacon sent by Bumblebee the previous night, Optimus, Jazz, Ironhide, and Ratchet arrived on Earth in their protoform modes. After scanning a Peterbilt semi-truck as his alt mode, Optimus met up with Bumblebee, Ratchet, Jazz, and Ironhide in an alley and explained their history to Sam and Mikaela, as well as Sam's importance.
Optimus arrived at Sam's house and waited outside while Sam and Mikaela searched inside for the glasses. Much to Sam's exasperation, Optimus Prime, in his impatience, clumsily ruined his parents' garden. Prime's attempts to hide, such as having the Autobots transform into vehicle mode right in the backyard; were also less than satisfactory. Ultimately, Sam came so close to a panic attack that Prime was forced to order the Autobots to fall back. When the parents came to investigate, Prime's attempt to avoid discovery caused the house to shake, as Ron jumps into an old cast-iron tub and stated that he hates earthquakes; though this was to their benefit, as the father assumed that the damage to the yard was the result of an earthquake. Ironhide suggested that he should kill the parents as they were very irritating, but Optimus scolded his old friend. Despite all this, their presence remained undetected until Sector Seven arrived and abducted Sam, Mikaela and Sam's parents.
Optimus Prime sent the Autobots in pursuit of the SUV that contained Sam, Mikaela, and Sector Seven's director, Agent Simmons. Prime intercepted the vehicle carrying their young human friends, ripping the roof of the vehicle off, with the other Autobots disarming the agents, and made it perfectly clear to Simmons how enraged he was at him for trying to apprehend the two children, regarding this as a bad move on Simmons' behalf. Optimus then ordered his comrades to relieve the agents of their weapons and attempted to interrogate Simmons. The agents' lack of surprise at their appearance indicated that they had seen Cybertronians before, but Simmons refused to reveal any information. With a Sector Seven backup team en route, Prime ordered the Autobots to scatter, while he took Sam and Mikaela. While hiding under a bridge, Mikaela and Sam slipped and fell off Prime's shoulder. Bumblebee managed to catch them before impact but was captured, and Sam and Mikaela recaptured, by the organization after their retreat.
Optimus Prime, now in possession of the glasses which could tell him the location of the AllSpark, regretfully left Bumblebee in Sector Seven's hands, knowing that if they went after him, they would have to use deadly force. After regrouping the next day, Prime used the glasses to locate the AllSpark. Jazz raised objections to leave Bumblebee behind, but Prime remained firm in his belief of not harming the humans. Ironhide seemed okay with using deadly force, stating the humans were a "primitive and violent race," but Prime countered that when their time had come, the Cybertronians had been little different. Going on to explain the potential he saw in the humans, as well as reminding them that "freedom is the right of all sentient beings," Prime revealed to the Autobots his real plan for the AllSpark: if they could not defeat the Decepticons, Prime intended to merge the Cube with his spark. Though this would destroy the AllSpark, Ratchet cautioned Prime against this, as the Cube's raw power would also kill him. Prime believed that this was acceptable, vowing not to let another race suffer the mistakes of the Transformers. The glasses placed the AllSpark at Hoover Dam where, luckily, Bumblebee and the young humans were taken.
Optimus's team met up with Sector Seven, Bumblebee, Sam, and Mikaela enroute, who had planned to hide the AllSpark in nearby Mission City. While on the highway CA-210, he was attacked by Bonecrusher, who managed to tackle Optimus and drag him over the edge of a freeway overpass. During the battle, Optimus emerged victorious when he decapitated the rage-filled Decepticon; as the Decepticon swung his claw wildly, Optimus drew his sword from his right arm and sliced off one of Bonecrusher's arms, before brutally finishing off his enemy by driving the blade through Bonecrusher's neck, severing his head.
Optimus arrived at Mission City just in time to observe Megatron discarding the remains of Jazz and challenged him. Millennia in the ice had done nothing to lessen Megatron's hatred of his brother, and he launched himself in jet mode at the Autobot leader. Optimus leaped and grabbed hold of the wings, which was a really bad idea, as Megatron drove himself and Prime through an office block.
As they flew out of the building onto the street below, Megatron transformed and leaped on top of Prime, declaring the humans undeserving of life. Prime rejected his claims, saying that they deserved to choose for themselves. Megatron threw Prime across the street, declaring that if he wished to defend the humans, Prime could die with them. He then formed his fusion cannon from his forearms. The power-up time allowed Prime to draw his ion blaster and fire hitting Megatron. The Decepticon used the momentum to spin around, then used the fusion cannon to blast Prime across the street into another building. Megatron then resumed the hunt for Sam and the AllSpark.
Tracking Megatron to the deserted building, Prime barely managed to catch Sam after Megatron knocked him off the roof. Telling the boy to hold onto the Cube and stay close to him; Prime attempted to scale down the building, but Megatron jumped on Prime, causing them both to fall down hard onto the street below. Sam survived, however. Optimus told the boy that if he could not defeat Megatron, that Sam must put the AllSpark into his chest which would destroy it. As Sam sought cover, Optimus faced down Megatron, informed him that, "At the end of this day, one shall stand, one shall fall". Unfortunately, Megatron, even after years of stasis, proved to be far too powerful for Prime to defeat alone. The unit led by Lennox and the Raptor squadron laid down suppressing fire as Megatron reached for the AllSpark until Optimus finally took him down by sweeping his legs. Still, Megatron continued crawling toward the Cube. Believing he had lost, Optimus implored Sam to put the AllSpark into his chest. Sam instead thrust it into Megatron's chest, killing the Decepticon leader and destroying the AllSpark.
As Optimus watched his brother die, he regretfully said, there was little choice. He also told Sam he owed him a debt of gratitude for saving his life but was then informed that Jazz had not survived. Prime eulogized his comrade, then commented that they had gained new comrades in the humans, and was honored for their bravery. Bumblebee, who had finally regained his voice, requested permission to remain with Sam Witwicky, to which the young human eagerly agreed and Optimus approved. He noticed a fragment of the AllSpark in Megatron's chest cavity and removed it, then permitted the humans to dispose of the Decepticon corpses.
Though Megatron was killed and his Decepticons were defeated, the AllSpark was destroyed, leaving the Autobots unable to restore Cybertron. The Autobots elected to remain on Earth and Prime sent a message into deep space to any surviving Autobots in the galaxy to come to their new home on Earth, their long years of searching has finally come to an end. As the other Autobots rested, Optimus Prime looked to the sky, hoping his message had been heard.
=== Transformers: Revenge of the Fallen ===
With the death of Megatron and the destruction of the AllSpark, Optimus and his Autobots spent the next two years on Earth, helping N.E.S.T. hunt the remaining Decepticons on Earth. After locating and defeating Demolishor and Sideways in Shanghai, Optimus and the Autobots received a message from Demolishor that "The Fallen would rise again."
Optimus and N.E.S.T. returned to Diego Garcia where the National Security Advisor questioned the Autobots' continued presence on Earth and proposed having the Autobots leave, which Optimus agreed to if asked. However he asked them to think about what would happen if another threat endangered the humans and the Autobots won't be there to help them.
After Ravage and Reedman stole the AllSpark shard, Optimus turned to the one ally he has that he believes can help convince the government - Sam Witwicky. Optimus met with Sam in a cemetery after sending Bumblebee to retrieve him, but Sam refused to help, believing that he couldn't help and that Optimus didn't need his help. Optimus was clearly frustrated saying that they needed Sam's help more than he knew.
Later, Optimus came to Sam, Mikaela and Leo's rescue after they were captured by the Decepticons. He then battled Megatron, Starscream, and Grindor. Optimus drove into a forest, but Megatron sped towards them in his vehicle mode from behind. Megaton fired some stray shots at Prime in his tank form before jumping onto Prime, intending to rip Prime apart while he was still in truck form. However, Optimus transformed at the last minute and punched Megatron while both robots were in mid-air. Megatron then tackled Prime, and both of them hurtled to the ground, while Sam hid on Prime's orders. Prime proceeded to beat Megatron with a tree and punched him in the back, before slashing him with one of his Energon swords. This prompted Megatron to call Grindor and Starscream, who came crashing through the trees to their leader's aid. Prime grappled with Starscream, kicking Megatron away at the same time, before holding Starscream upside down in the air and kicking him in the head. However, the three Decepticons formed a bully circle around Prime, with Grindor and Starscream shooting their machine guns at Prime before Megatron blasted him off his feet with his cannon. The blow sent Prime flying towards Sam, who managed to stay hidden.
Megatron questioned why Prime was sacrificing the future of the Cybertronian race over a single human life. Urged by Sam to keep fighting, however, Optimus replied "You'll never stop at one!," deployed his twin Energon blades, and showed the Decepticons what a Prime is. Optimus slashed at all three Decepticons, in the process cutting off Grindor's right arm and once again grappling with Starscream and using Starscream to swirl around the Decepticons by flipping over his back. Optimus tore Starscream's arm off, beat him with it, and then jumped onto Grindor, before tearing Grindor's head apart using his Energon hooks. Optimus jumped off, pulling his foes corpse to the ground. While calling out for Sam, Optimus was impaled from behind by Megatron and finished off with a fusion cannon blast through the chest. Collapsing to the ground, Prime's last words were "Sam, run..."
The other Autobots then arrived, forcing Megatron and Starscream to retreat. Optimus was taken to Diego Garcia, and then transferred to Egypt as the request of Sam. The Battle of Egypt soon began, and after coming close to death, Sam received the rebuilt Matrix of Leadership, which he shoved into Prime's body. Optimus returned to life, much to the surprise of Jetfire. Before Prime could take action however, The Fallen arrived, knocking Optimus down, and stealing the Matrix, before returning to the Harvester. Seeing him injured, the wounded Jetfire offered his parts to Optimus, before pulling his one spark out, ending his own life's to help the last true living Prime. Ratchet and Jolt then attached the jet parts to Prime, who took off, flying to the pyramid. He fought against Megatron and The Fallen, and then blew up the Star Harvester, knocking his enemies from the pyramid. He shot Megatron in the face, blasting him away. He then fought The Fallen, who ripped off his Jetfire given upgrade. But Prime gained the upper hand, stabbing the Fallen and then ripping his face off, revealing his skull before punching through The Fallen's back and out through his chest, grabbing the Decepticon's Spark and crushing it.
=== Transformers: Dark of the Moon ===
Following the Battle of Egypt, Optimus and the Autobots began to assist the US in preventing human conflicts. Three years after the battle in Egypt, Optimus, N.E.S.T. and the Autobots traveled to Chernobyl, where they found a mysterious piece of a metal part before coming under attack by Shockwave's Driller. Optimus grabbed a sword and shield from his weapons pack and cut loose the piece of metal parts. Shockwave emerged from the Driller to glare at Optimus before fleeing with his pet. Optimus was shocked and enraged to discover that the mysterious piece of metal was an engine part of the long-lost Ark.
The Autobots returned to NEST with the part and Optimus remained in alternate mode at first as Charlotte Mearing approached him when he was angered. Optimus transformed and confronted Mearing about the part and the fact that they were told that everything humanity knew about the Cybertronians had been told. Mearing explained that it was kept secret from everyone except a very few people and brought in Buzz Aldrin to explain. After learning of the Ark being crashed on the moon, Optimus decided to take the Xantium to investigate the wreckage.
Optimus and Ratchet traveled to the moon and entered the Ark where they found Sentinel Prime in stasis lock with five of the Pillars, including the Control Pillar. They recovered the Pillars and Sentinel and returned to Earth with them.
Upon their return to Earth, the Pillars were put into a vault under the human's control and Optimus prepared to use the Matrix of Leadership to revive Sentinel. After the arrival of Sam Witwicky, Optimus successfully revived Sentinel who initially attacked him, before calming down after learning where they were. The two then explained to the humans about the Space Bridge and the threat that would be posed if the Decepticons learned of it and got the Pillars.
Afterward, Optimus took Sentinel to show him some of the planets. Sentinel was impressed and Optimus offered him the Matrix of Leadership after lamenting what could have happened if Sentinel had led the final battle of the war. Sentinel refused the Matrix and told Optimus that he is now the teacher, not him.
Later, Optimus rushed back to the base after Sam discovered what the Decepticons were up to, but was too late as Sentinel revealed his true colors, murdered Ironhide, and took the Pillars.
At the National Mall in Washington, Optimus pleaded with Sentinel, who was using the Space Bridge to bring an army of hundreds of Decepticons to Earth, to stop. When that failed, Optimus attacked Sentinel but proved to be no match for the formal leader. Sentinel pinned him down and explained that he did what he did to save Cybertron before leaving, telling Optimus that he was lucky he didn't kill him and that he would one day understand.
After Sentinel made an ultimatum to the United Nation, the Autobots were ordered expelled from the planet. Near the Xantium, Optimus met with a deeply saddened Sam who tried to get him to stay. Optimus informed Sam that they had to go and gave some words of wisdom to his old friend about not losing faith in yourself and that the war was the humans' now. Sam, under threat against his girlfriend, tried to find out the Autobots plans, subtly warning Optimus of the truth by telling him that no other human will ever know. Optimus told him that there was no plan and told Bumblebee to make his goodbye quick. Optimus and the other Autobots then left in the Xantium, which was destroyed by Starscream.
Optimus and the others abandoned the Xantium before its destruction and they headed to Decepticon-occupied Chicago to fight the Decepticons with the element of surprise. Optimus arrived just in time to shoot down a Decepticon fighter and save Sam, Epps and their team and ordered the Wreckers to kill the pilot. After making a speech about taking the fight to the Decepticons, Sam and Bumblebee took the downed fighter to rescue Carly and succeeded, killing Laserbeak in the process and hooking up with Optimus and the rest of the Autobots afterward.
Optimus and the other Autobots headed further into the city to open a way for Sam, Epps and their team to make their way to a building where they would attempt to shoot down the Control Pillar. Along the way, Shockwave and his Driller attacked, separating Optimus from his trailer. After linking up with the humans in a building, Optimus headed out to retrieve his trailer, needing the weapons and flight gear it contained.
Optimus successfully retrieved his trailer and flew it, in time to attack the Driller and save the team from death. Optimus shot the Driller multiple times before crashing through it, breaking it in half and killing it. Optimus landed on top of a crane where an enraged Shockwave blasted him, causing him to get tangled up in cables. Optimus was spotted by the Wreckers who quickly climbed up to cut him free, as the Wreckers try to cut him free, Bumblebee, Ratchet, Mirage, Wheeljack and Sideswipe were captured, and Wheeljack ends up getting killed in the process by Barricade.
The Wreckers eventually cut Optimus free and he flew back into battle, killing several Decepticons before attacking Shockwave who was fighting NEST. Optimus slashed Shockwave across the torso with bladed knuckles and ripped his eye out, killing him. Seeing an opportunity, Optimus used Shockwave's cannon to blast the Control Pillar from the building it was on, temporarily deactivating the space bridge that was bringing Cybertron to Earth. Optimus challenged an enraged Sentinel to battle and fought him with the other Autobots, using a battle-axe and his sword, having the upper hand until Sentinel called upon the other Decepticons to attack them. Optimus was forced to turn his attention to the Decepticon fighters and shoot them down with his machine guns, allowing Sentinel to flee, although Optimus followed him.
Optimus quickly caught up with Sentinel on a bridge and attacked him again. Optimus held his own until Sentinel cut off his right arm and injured his left shoulder. As Sentinel was about to kill Optimus, he was attacked by Megatron who seriously wounded Sentinel, saving Optimus' life.
Megatron asked for a truce, saying all he wanted was to be in charge again and asked Optimus what he would be without him. Optimus responded with "Time to find out." and attacked Megatron. Even one-armed, Optimus was too much for Megatron and he impaled him in the head with his battle axe,
ripped off Megatron's head and spine, killing him. Sentinel then tried to explain to Optimus why he betrayed him, but Optimus coldly told Sentinel he betrayed himself before executing him with Megatron's fusion cannon.
Optimus then reunited with the humans and other Autobots and declared that they would never betray Earth, which is their new home with Cybertron destroyed.
=== Transformers: Age of Extinction ===
Following the battle in Chicago and the dissolution of NEST, the US government continued granting Optimus and the other Autobots asylum on Earth, in spite of the negative reputation the Autobots had gained. The White House believed that Harold Attinger was working alongside Optimus Prime to hunt down the last of the Decepticon fugitives; what the President didn't know was that Attinger's Cemetery Wind taskforce had began hunting down Autobots and terminating them. Learning of the betrayal, Optimus broadcast an urgent message to the Autobots on Earth, ordering his troops to cut off all contact with humans and go into hiding. Optimus successfully evaded Cemetery Wind for several years, but was eventually pinned down in Mexico, caught in an ambush set by Attinger's lieutenant James Savoy and their Cybertronian ally, the assassin and bounty hunter Lockdown. Though badly wounded, Prime threw off his pursuers by scanning a dilapidated cab-over truck, and fled north to Paris, Texas, where he hid in an abandoned movie theater and succumbed to stasis lock induced by his grievous injuries.
Prime remained inert until aspiring roboticist Cade Yeager visited the theater for salvage. Hoping to strip the seemingly ordinary truck and sell the parts, he purchased Optimus and towed him home to his workshop, whereupon his examination of the truck's unusual inner workings led him to realize he had discovered a Transformer. Though Cade's daughter Tessa and partner Lucas wanted to turn Optimus in for a cash reward, Cade argued against it, wanting to increase his technical expertise by studying Optimus's systems further. To prove that the Transformer was "dead" and unable to retaliate, Cade opened the truck up and discovered a live missile from the truck's inner workings. When the missile was removed, Optimus suddenly awoke and transformed into robot mode. Confused and disoriented, Optimus threatened the humans, but Cade was able to calm him down, and offered to help repair him as best he could. Before he could get very far, Savoy's forces stormed the farm, forcing Optimus to hide underneath the barn, but when Savoy threatened Tessa's life, Optimus burst from concealment to aid his new human friends. A running battle with Lockdown ensued, culminating in an abandoned factory, where Prime regrouped with the Yeagers and Tessa's boyfriend Shane Dyson and escaped.
After confirming that they had shaken their pursuers, Optimus summoned the surviving Autobots to a rendezvous point in the desert, scanning a passing truck on the way to adopt a new alternate mode and repair his injuries. Reuniting with Bumblebee, Drift, Crosshairs, and Hound, an angry and embittered Prime announced his intent to break his long-held vow and kill the Cemetery Wind Soldiers responsible for the Autobots' suffering. With Cade's help, the Autobots learned that the bodies of their fallen comrades were being taken to Kinetic Solutions Incorporated in Chicago, where they were being melted down for raw material to produce KSI's own Transformers. Enraged to learn that Ratchet had recently suffered this worst fate, Optimus led the Autobots in a furious attack on KSI, but stopped short of killing company head Joshua Joyce when the human shamed him by declaring the mankind had advanced past the Transformers. The Autobots pulled out, but Attinger ordered KSI creations "Galvatron" and Stinger to be sent after them; Optimus faced off against Galvatron, but before the battle could conclude, Lockdown shot down Optimus and dragged him away.
Imprisoned aboard Lockdown's ship, Optimus learned that he had been hired by the Transformers' mysterious creators to round up their renegade creations, starting with the ancient "knights" to whom the ship had once belonged, a group that Optimus himself had apparently once been part of. Optimus was soon rescued by his fellow Autobots, and they escaped by detaching the section of the ship they were in from the main body without Lockdown's notice. After the team regrouped, Brains revealed that Galvatron was, in fact, a rebuilt Megatron, and was planning to detonate a cyberforming seed—given to Attinger by Lockdown—in Hong Kong. Though Prime lacked a strong reason to defend humankind after his recent experiences, Cade petitioned him to have faith in, if not humanity itself, then in their potential to be better.
Arriving in Hong Kong, the Autobots' stolen ship was shot down by Galvatron's forces and crashed in the Wulong Valley. In need of reinforcements, Optimus took a shield and sword from the ship's armory and freed the other captive knights aboard the ship, the Dinobots, and proposed that they let him lead them into battle. Their leader Grimlock was not receptive to this idea, and challenged Optimus, but the Autobot leader triumphed over him, and offered Grimlock freedom under his leadership, or death under his foot. Grimlock conceded defeat, and allowed Optimus to ride him into battle in his massive Tyrannosaurus rex mode. The Autobot-Dinobot alliance decimated Galvatron's army, forcing the Decepticon to retreat, but just when it seemed the day was won, Lockdown returned. Optimus disabled Lockdown's ship tractor beam in order to allow his comrades to pull back while he faced Lockdown alone; during the course of their one-on-one fight, Optimus was forced to briefly break away to save Cade's life by shooting Attinger. 
Unfortunately, this distraction allowed Lockdown to impale Optimus on his own sword, immobilizing him, but Bumblebee and Cade intervened to hold off Lockdown while Shane and Tessa freed Optimus, enabling him to finally kill Lockdown, avenging Ratchet's death. Optimus set off one of Lockdown's grenades to finish off Galvatron's remaining drones, and flew the humans to safety as it detonated.
After releasing the Dinobots from his command, Optimus prepared to depart into space, to both remove the seed from Earth, and to investigate the mystery of his creators, who still had a price on his head. His innate faith in humanity reignited by Cade and his family and friends, Optimus entreated the humans to think of one of the stars as his soul, and instructed the Autobots to guard the Yeagers, their allies, and all the humans they could.
As he left the planet, Optimus sent a message to the creators: leave Earth alone, because he was coming for them.
=== Transformers: The Last Knight ===
Optimus's decision proved a foolish one however, as he exhausted his Energon in the vicinity of Jupiter and fell into stasis lock, drifting through space. When Cybertron entered the Sol system, its gravitational pull affected Optimus and caused him to crash land on his homeworld, its atmosphere reviving him. Optimus awoke and despaired at the state of Cybertron. It was at this point that Quintessa made herself known to Optimus, claiming to be his creator. Optimus cared very little for that and demanded to know what she'd done to Cybertron, trying to attack her when she refused to answer him, only to be overwhelmed by her powers and her Infernocons. Quintessa accused Optimus of destroying Cybertron, but Optimus protested that Megatron had started the Great War. Quintessa however, retorted Optimus was responsible for Cybertron's state as he had been the one to launch the AllSpark.
With the Prime in chains, Quintessa explained her plan to him and why she needed him. She revealed to him that the Earth had formed around the body of Unicron and that she wanted Optimus to retrieve her staff from the Knights of Iacon on Earth. With the staff, Quintessa would drain the life out of Unicron and use his energy to revive Cybertron. Brainwashing Optimus into "Nemesis Prime", she sent him back to Earth to complete the task.
Nemesis Prime arrived back on Earth in the Knights' ship and slew two of their number before demanding that Viviane Wembly hand over the staff. His former ally Cade Yeager tried to reason with Optimus but Nemesis Prime reasserted his identity and claimed to fight only for Cybertron and its people. Once Viviane had handed over the staff, Santos (futilely) opened fire on Nemesis, who swatted the TRF aside with his shotgun and exited the ship. On the surface, Nemesis was assaulted by Bumblebee, whom the Prime easily bested in combat before the sound of Bumblebee's true voice allowed Optimus Prime to return.
The moment was short lived, as Megatron flew in to steal the staff and the Knights arrived to slay Optimus for serving "Quintessa the Deceiver". While Optimus offered no resistance, viewing his execution as proper atonement, Cade managed to activate the Talisman and call off the Knights. Optimus then allied with the Knights and they flew off in the Knight Ship to confront Megatron and Quintessa on Cybertron. Arriving on Dragonstorm, Optimus finally destroyed Infernocus by decapitating all six Infernocons in a single mighty swing of his sword, reminding them that he was Optimus Prime.
In the ignition chamber, Optimus engaged his old foe once again who tried to reignite their old friendship and offered Optimus the chance to stand beside them as they restored Cybertron. Optimus rebuked him, and was forced on the defensive before his fellow Autobots intervened and the Prime kicked Megatron out the side of the chamber. Optimus then distracted Quintessa so Bumblebee could slay her when her defences were down as Viviane removed the staff, stopping Cybertron's destruction of Earth but leaving the two planets connected to one another. Optimus saves Cade and Viviane from falling to their death and to the relief of their human allies, emerged from the destruction of the ignition chamber in his alternate mode with the two humans in his cab.
Despite the destruction of Earth being stopped, enough of Unicron's life force had been transmitted to Cybertron that it could again support its people. Optimus reflected that both humans and Cybertronians would have to work together to rebuild both their worlds before he sent out a call for all Autobots across the galaxy to return to Cybertron so they could begin rebuilding.
|-|Alternate timeline =
==== Toy bios ====
Orion Pax used to be a humble data scientist, however, he would eventually receive the Matrix of Leadership and become the universe's greatest protector Optimus Prime. 
The truck Optimus Prime trans-scanned upon arrival on Earth was the coolest thing he ever saw.
When the AllSpark was destroyed in Mission City, Optimus was bathed in its power and became a living receptacle: he could destroy or heal with the merest thought. He still remained dedicated to peace and altered his exterior decorations to match the ones he bore as a young leader, before the beginning of the war. When Starscream came out of hiding, Prime teamed with Arcee to hunt him down.
However, as more Decepticons under Starscream's command began appearing on Earth, Prime had to use the AllSpark power within him to alter his body into a new sensor-transparent, super-silent form for stealth missions. Prime considered it dishonorable but knew had to be done. Unfortunately, Starscream followed his lead and also modified himself for stealth so he could target Prime personally.
Once the Decepticons were beaten on Earth, Optimus was provided with intelligence by Sector Seven about Decepticon bases on Mars. After assuming new colors, he headed to the red planet. As it turned out, though, the Decepticons would soon strike at Earth again; Prime upgraded his sensor suite and trained with Ironhide to better track their enemies. 
Following the battle with The Fallen in Egypt, Optimus made a particular point of tracking down Starscream, and enhanced his arsenal with weapons designed to take on airborne Decepticons. Unfortunately, these new weapons were not a great help in battling hypnotic Decepticon Mindwipe, who prevented Prime from opening fire by attacking him with mind-controlled humans. 
Prime had more luck against Banzaitron, who mistakenly believed that Optimus won his fights through raw power. In actuality, Prime's decades of training made him one of Cybertron's most skilled fighters, and Banzaitron held little of a challenge for him. 
Optimus was known to team up with Comettor for lunar missions. It was on the lunar surface that lost Autobot leader Sentinel Prime was found, and the team-up of these two Primes meant the Decepticons didn't stand a chance!
Optimus continued to combat threats to the Autobots with various new upgrades like armor reinforced with Cybertanium and Tritanium. He also got to use a variety of MechTech weapons, including a powerful Cybertanium battle axe and the combining Mega Striker cannon, and the incredible Omega Combat Armor.
Following the battle of Chicago, Optimus Prime was faced with a new kind of war, as once-strong alliances now stand in doubt. As Earth still needed him, Optimus altered his form so he could move around unrecognized and commit covert strikes on Decepticons. 
|-|IDW comic =
===Foundation, Defeanse & Movie Prequel===
TBA
===Movie Adaptation===
Following Optimus and the Autobots' arrival on Earth, and the subsequent battle of Mission City and the destruction of Megatron and the AllSpark.
===Alliance & Tales of the Fallen - Sideswipe===
TBA
===Revenge of the Fallen Official Movie Adaptation===
Optimus Prime and Ironhide finally manage to take down Demolishor, while the timely arrival of Sideswipe aids in neutralizing Sideways. As Prime stands over the wrecked form of the Constructicon he felled, Demolishor delivers a warning: their days on this planet are numbered as The Fallen will soon claim it! 
Back at the Diego Garcia base of NEST, Optimus and Autobots are met by a representative of the U.S. government, on orders from the president. Director Galloway and Admiral Morshower's briefing for them is classified, even from other NEST operatives, but in low orbit the Decepticon Soundwave parasitizes a communications satellite to listen in. Optimus Prime tells the Admiral that the Decepticons have most definitely not abandoned Earth, and relays the cryptic warning he received in Shanghai. Galloway is concerned that the Autobots are keeping secrets, as they have kept weapons technology from their allies and have been sending unauthorized transmissions into space. He asks if the Autobots will leave should the president decide to ask them to. Prime reluctantly answers that they will. He however asks Galloway and by extension the president to consider what will happen if the Autobots leave and the threat still remains.
Later, Optimus, along with Bumblebee, saved Sam from Megatron by killing both Scalpel in the building and Grindor during the battle in the forest. However, he was killed by Megatron.
His body was later taken to Egypt during the final battle. A the end he was revived by Sam and thanks to the sacrifice of the former Decepticon Jetfire Optimus informs Megatron that he was deceived by The Fallen then chops off one of Megatron's arms and one of his legs. The Fallen opens up a portal in preparation for a retreat, but takes too long in his farewell monologue because, at that moment, Optimus uses grappling hooks from off-panel to tangle him up. The Fallen begs Megatron for help, but Megatron instead uses the portal to escape to the Nemesis. Optimus then finishes off The Fallen by driving a spike through his head fulfilled your desttiny.
Later, the humans and Autobots are on the U.S.S. Roosevelt celebrating their victory. Sam says the symbols in his head are gone, and Optimus tells him that the knowledge had passed to him, and they are all that are left of Cybertronian heritage. Optimus is grateful to Sam for keeping the information safe. Sam asks about the future and Optimus gives a speech about facing it together.
===Nefarious===
TBA
===Rising Storm===
TBA
=== Dark of the Moon Movie Adaptation===
After Shockwave ravaged the Diego Garcia base and killed there all the Autobots, requiring it to be shut down and NEST operations moved to Washington, D.C. Optimus oversaw the decommissioning of the facility, which was soon followed by the return and betrayal of Sentinel Prime, death Ironhide, Twins, Mirage and Apocalyptic Battle for Chicago. Anyway of a traitor was killed and the Autobots were again victorious.
=== Age of Extinction Prequel comic===
This comic belongs to the Titan Comics series. but since this is the only prequel comic to the Age of Extinction. He gets attached here too.
=== Schick Hydrobot and the Transformers ===
Given that we are talking about IDW, these events may take place after Age of Extinction, but in 2017, at the same time rewriting the ending of Age of Extinction, where Optimus Prime did not leave Earth before the events of this comic, but went to look for the Creators later in the same year.
|-|Avalanche Comics Entertainment =
=== Mission to Cybertron ===
While searching for the Creators, Optimus arrived on Paradron to refuel on Energon, but was denied by a Gyronian Sentry and his pet Guard Cats. Optimus explained his past to the Sentry, who was not impressed, demanding a passcode. The passcode was written in Old Cybertronian, but the gate didn't open even with a decoder. 
Prime and Sentry's egos clashed, causing a fight to break out. Optimus tried directly inserting the decoder into the door, with the passcode: "In Primus We Trust". The door opened, allowing Optimus to drink half of the Energon, giving the other half to Sentry. 
Optimus told Sentry he did a good job, relieved him of his guard duties, and flew off into space and continued searching for the Creators.
|-|Bumblebee =
=== Bumblebee ===
Optimus Prime appears as well, albeit briefly, during the battle of Cybertron. He is shown to be aiding the Autobots in repelling Decepticon troopers who are appearing in increasing numbers. Upon encountering Soundwave, Shockwave and Starscream, he orders his fellow comrades to retreat and escape from Cybertron. Meanwhile, he assigns the scout B-127 to travel to Earth and set up a base of operations for them. He also orders him to protect the planet from the Decepticons. As B-127 departs, Optimus stays behind to delay any pursuit by fighting off more Decepticons. He is quickly surrounded however, as he is knocked down by Ravage. It is unknown exactly how he survived, but it is known that he managed to escape Cybertron at some point in time. By the end of the film, he is shown to be driving alongside B-127 (now calling himself Bumblebee) on the Golden Gate Bridge as a Freightliner semi-truck. He is later shown to be in a forest, commending his scout for his bravery.
==== Rise Of The Beasts ====
TBA
</tabber>
== Powers and Abilities ==
=== Powers ===
*Superhuman Strength: Being a Cybertronian, Optimus is easily able to lift trucks, cars, and even lifting and throwing Decepticons, as like when he threw Sideways onto the ground.
*Superhuman Durability: Optimus has superhuman durability, he has shown to withstand tremendous amounts of punishment and completely immune to bullets, punctures and concussions.
*Superhuman Speed: Being a Transformer, Optimus can transform into a truck reaching higher speeds than any human.
*Superhuman Agility: To be added
*Superhuman Stamina: To be added 
*Superhuman Reflexes: Optimus reacts faster than any human beings in the world, he can easily dodge offensive attacks from Decepticons.
*Regenerative Healing Factor: Optimus heals faster from his wounds. And for being a "robot", it is easier to heal/fix.
*Longevity: Optimus lives longer than other humans.
*Flight: As seen in Transformers: Age Of Extinction, Optimus is able to fly, and can also withstand extreme temperatures in space.
*Holographic Projection: Optimus displayed the war on Cybertron to Sam and Mikaela using a hologram.
=== Abilities ===
*Master Combatant: Optimus is a master hand-to-hand combatant, having extensive levels of knowledge of melee combat as well as being extremely experienced in combat operations. 
* Master Swordsman: Optimus is skilled in using multiple swords, specifically his energon swords until they were destroyed by Galvatron, and claimed the Sword of Judgement from one of the Knights Temenos’s armoury.
* Expert Marksman: Optimus is skilled in using any type of firearm.
* Genius-Level Intellect: Optimus is extraordinarily intelligent, far beyond other Autobots or Decepticons, rivaled only by Megatron. Moreover, Optimus has the ability to aware the events from the past, present to the future. 
* Master Tactician: Optimus is a skilled tactician, having fought in the final battle of Cybertron having calculated weaknesses of the Decepticon strongholds.
* Master Leader: Optimus is the second Autobot leader having taken charge after Sentinel Prime.
* Master Scientist: As the former head scientist of the Cybertronian scientific division, Optimus was brilliant in many different field of science, including Cybertronian technology. He also acquire Science Manipulation which can control time, like knowing where the team betrays Megatron.
* Multilingualism: As said from Optimus, he has the ability to instantly learn any languages.
Optimus (AOE-TLK) Flight.jpeg|Optimus Prime (AOE-TLK) Flight
== Weapons ==
=== Original Continuity ===
* Ion Blaster (Transformers film and Transformers: Revenge of the Fallen)
** Barrage Cannons (Transformers: Revenge of the Fallen and Transformers: Dark of the Moon)
** Machine Gun (Transformers: Revenge of the Fallen)
* Dual Energon Swords (Transformers film)
** Hand-Held Energon Sword (Transformers: Dark of the Moon)
** Rusty Dual Energon Sword (Transformers: Age of Extinction)
* Energon Hooks (Transformers: Revenge of the Fallen)
* Energon Axe (Transformers: Dark of the Moon)
* Shield (Transformers: Dark of the Moon)
* Armored Weapons Platform (Transformers: Dark of the Moon)
**Jetwing Unit (Transformers: Dark of the Moon)
***Jetwing Gun Pods (Transformers: Dark of the Moon)
*** Charged Missiles (Transformers: Dark of the Moon)
* Thermal Cannon (Transformers: Dark of the Moon)
** Thermal Machine gun (Transformers Age of Extinction)
* Missile (Transformers: Age of the Extinction)
* Shield Cannon (Transformers: Age of the Extinction)
* Sword of Judgement (Transformers: Age of the Extinction)
* Quad Barrel Shotgun (Transformers: The Last Knight)
* Dagger (used as Nemeses Prime against Bumblebee in Transformers: The Last Knight)
* Knuckle-Spikes (Transformers: Dark of the Moon and Transformers: The Last Knight)
Optimus Prime's Ion Blaster ROTF.png|Optimus Prime’s Ion Blaster to kill Demolishor
Optimus Weapon’s Dual Energon Swords.jpeg|Optimus Prime using one of Dual Energon Swords to kill Bonecrusher
Optimus Weapon’s Ion Blaster.jpeg|Optimus Prime’s Ion Blaster with machine-gun like armory
Optimus Weapon’s Barrage Cannons.jpeg|Optimus Prime’s Barrage Cannons
Optimus Weapon’s Energon Hooks.jpeg|Optimus Prime killed Grindor with Energon Hooks
Optimus Prime's Weaponry Station DOTM.png|Optimus Prime's Weaponry Station
Optimus Weapon’s Shield.jpeg|Optimus Prime’s Shield
Jetwing Optimus Flight.jpeg|As Jetwing Optimus Flight
Jetwing Optimus Prime Weapon’s Jetwing Gun.jpeg|Jetwing Optimus Prime’s Jetwing Gun
Optimus Prime's Charged Missiles DOTM.png|Optimus Prime's Jetwing Unit's Charged Missiles
Optimus Prime's Thermal Cannon DOTM.png|Optimus Prime's Thermal Cannon
DOTM-Sidewaysstab.jpg|Optimus Prime using his Dual Energon Swords to kill the Audi R8 Decepticon
Optimus Prime's Brass Knuckles DOTM.png|Optimus Prime's Knuckle-Spikes
Optimus Weapon’s Energon Axe.jpeg|Optimus’s Energon Axe
Rusty Optimus Prime Weapon’s Thermal Machine gun.jpeg|Rusty Thermal Machine gun
Optimus (AOE-TLK) Weapon’s Thermal Machine gun.jpeg|Thermal Machine gun
Optimus (AOE-TLK) Weapon’s Energon Swords.jpeg|Energon Sword
Optimus Weapon’s Sword of Judgements.jpeg|Sword of Judgement
Optimus (AOE-TLK) Weapon’s Shield Cannons.jpeg|Shield Cannon
Optimus Prime Shield Cannon AOE.png|Charged shot of Shield Cannon
Nemesis Prime Close Up TLK.jpg|Nemesis Prime's Arm Blade 
Nemesis Prime's Arm Blade TLK.png
Optimus Prime TLK Shot Gun.png|Optimus Prime's Shot Gun seen in a promotional footage of The Last Knight
=== Weapons as Jet Power Optimus Prime ===
* Large Mini-Gun (Transformers: Revenge of the Fallen)
* Jet Cannons (Transformers: Revenge of the Fallen)
* Energy Blasts (Transformers: Revenge of the Fallen)
* Charged Shell Cannon (destroyed sun harvester in Transformers: Revenge of the Fallen)
Jetfire and Optimus Prime Flight.jpeg|Flight
Jetfire and Optimus Prime Combined Weapon’s Energy Blast.jpeg|Energy Blast
Jetfire and Optimus Prime Combined Weapon’s Jet Blast.jpeg|Jet Cannons
Jet Power Optimus Prime Jet Cannons ROTF.png
Jetfire and Optimus Prime Weapon’s Large Mini-Gun.jpeg|Large Mini-Gun
Jet Power Optimus Prime Charged Shell Cannon.png|Jet Power Optimus Prime's Charged Shell Cannon
=== Steeds ===
* Dragonstorm (as a steed in Transformers: The Last Knight)
* Grimlock (as a steed in Transformers: Age of Extinction)
=== Others ===
* Shockwave's gun (Transformers: Dark of the Moon)
* Megatron's fusion gun (Transformers: Dark of the Moon)
* Lockdown's grenade (Transformers: Age of Extinction)
<gallery>
Optimus_Prime_riding_Grimlock.jpg|Optimus Prime riding Grimlock
Dragonsorm and Optimus Prime TLK.png|Dragonstorm and Optimus Prime
=== Bumblebee Movie ===
* Ion Blaster Rifle (Bumblebee film)
*Built-in Arm Blaster (Rise of the Beasts film)
*Energon Sword (Rise of the Beasts film) (Is destroyed)
*Energon Axe (Rise of the Beasts film) (is lost)
Optimus (Bumblebee film) Weapon’s Basic Gun.jpeg|Optimus Prime’s Ion Blaster Rifle
Optimus Prime Basic Gun BTM.png
== Gallery Weapons ==
To see more images go to: Optimus Prime/Gallery
Ion Blaster.jpeg|Ion Blaster
Dual Energon Swords.jpeg|Energon Swords
Energon Hooks.jpeg|Energon Hooks
E6DA2439-2B77-45C7-8BEC-3597274A0619.jpeg|Energy Blast
02ED9323-C441-4080-9E4C-C086A24D933C.jpeg|Large Mini-Gun
D7EF13F4-8E54-46D1-9874-93E496DE19A7.jpeg|Jet Blast
Energon Axe.jpeg|Energon Axe
Shield.jpeg|Shield
32396BE7-84D4-44A0-B89D-B1F4340A4C98.jpeg|Jetwing Blast (Dark of the Moon)
FED3698F-0028-45DB-842B-9FDBC8EF2981.jpeg|Thermal Machine gun (Age of Extinction)
Shield Cannon.jpeg|Shield Cannon
Sword of Judgement.jpeg|Sword of Judgement
2D840271-689E-49F9-A4EB-AEB32BEE146D.jpeg|Basic gun (Bumblebee film)
Optimusprimealtmodetf1-tf2-tf3.png|As a Modified Peterbilt 379
Optimusprimealtmodetf1-tf2-tf3(withtrailer).png|As a Modified Peterbilt 379 (With Trailer)
Optimusprimealtmodetf4(evasionmode).png|As a Rusted Marmon HDT-AC 86
Optimusprimealtmodetf4.png|As a Modified Western Star 5700EX
Optimusprimealtmodebb.png|As a Freightliner FLA-8664T
Optimus tlk weapon.png|Quad Barrel Shotgun (The Last Knight)
Arm blade transformers.png|Arm Blade (The Last Knight)
== Voice Actors from other Countries ==
=== Germany ===
* Reiner Schöne
=== Japan ===
* Tesshō Genda
== Alternative Modes ==
* Modified 1997 Peterbilt 397 EXHD
* Rusted 1973 Marmon HDT-AC 86
* Modified 2013 Western Star 5700EX
*1986 Freightliner FLA-8664T
:This article uses material from the Transformers Wiki and Teletraan I.
== Trivia ==
* Although he is the overall protagonist, Sam Witwicky is the protagonist for the first three films.
* Optimus is completely redesigned to similarly resemble his Generation 1 counterpart in the 2018 film Bumblebee.
* In former Transformers Media Optimus Primes, his Pre-Prime Name was Orion Pax.
* Peter Cullen was Optimus Prime Voice Actor in the Original The Transformers Series, in Prime, RID 2015, Transformers: Prime Predacons Rising, The Transformers: The Movie and The Live Action Transformers film series.
*Optimus has so far killed two primes first being the fallen and second was sentinel prime.
'Characters (Original Timeline)	'Characters (Original Timeline)
Autobots 	Optimus Prime • Bumblebee • Crosshairs • Drift • Hound • Wheelie • Topspin • Roadbuster • Brains • Sideswipe • Mirage • Skids • Mudflap • Canopy • Leadfoot • Ratchet • Sentinel Prime • Wheeljack • Ironhide • Jolt • Jetfire • Chromia • Elita-One • Arcee • Jazz
Alive characters appear in green. Dead characters appear in red and italics. Unknown characters appear in blue an
d italics.	Alive characters appear in green. Dead characters appear in red and italics. Unknown characters appear in blue an
d italics.
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