Rento Makina

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 is a robotic entity from an alternate 2121 who transforms into .
==History==
===Origins===
The true origins of Rento was a robot toy from Sougo Tokiwa's childhood, who he considered as his sole "companion" after being secluded from other children who ridiculed his dream as a king. This toy was written with the English phrase "WILL BE THE KING" on its back, as Junichiro Tokiwa rediscovered it years later and fixed the toy.
As a result of Sougo's increasing temporal abilities, the year 2121 came into existence with Rento being born from Sougo's robot toy. Rento started as a fellow Humanoise who managed to conquer Earth and suppressing the humans but switched sides when befriending Maruko and a group of children. Since then, Rento defended the humans and use his recharging period to entertain his friends.
===Kamen Rider Kikai of 2121===
While he was studying for his make-up exams, Sougo fell asleep while studying and began dreaming of being in the future. While being attacked by the Humanoise, the malevolent robots that resemble humans, Sougo found himself rescued by Rentaro Makina, who transformed into Kamen Rider Kikai. Sougo learned that he had befriended the human children and often entertained them. While recharging, the satellite that he often use recharge was hacked and reverted Kikai back into his primary Humanoise directive.
After briefly attacking Sougo, Kamen Rider Kikai ambushed his own group at a human refugee camp alongside other Humanoise until Kamen Rider Zi-O II disabled him with Twice Time Break. While sleeping during his make-up exams, Sougo used the password "Will Be the BFF" to restore Rento back into his original programming. Once restored, Rento thanked him, firming his believe that Sougo is his best friend. He and the children waved goodbye to Sougo, who was awake long enough to continue and pass his test.
==Video Game Appearances==
===Kamen Rider Buttobasoul===
Kamen Rider Kikai is a playable character in Kamen Rider Buttobasoul.
==Powers ==
*Robot Physiology: As Rento is a fellow Humanoise, he shares the same ability as they are.
*Time Alteration Immunity: Rento's memories and powers as Kamen Rider Kikai remain unaffected by the formation of both Another Kikai and the Kikai Miridewatch, unlike all other Riders whose powers are stolen to be used as such. Considering that Rento and Another Kikai are simultaneously created by Sougo's subconscious, both beings can exist at the same time.
===Weaknesses===
*Robot Physiology: Unfortunately being a Humanoise, Rento is also subjected to the same weakness as they are.
**Energy Requirement: Rento needs solar energy from satellite in order to move, transform, and many other things. If his energy is low, he can't move his body properly.
**Reprogramming: Through the same satellite he recharged from, Rento can also be reprogrammed should the satellite be hacked, reverting him into his prime Humanoise directive. However, his programming could be undone by typing a code ("Will Be The BFF") from the Kikai Metal Suit Jacket, which will shows a holographic keyboard image.
==Kamen Rider Kikai==
Kamen Rider Kikai
;Rider Statistic
*Rider Height: 210.5 cm
*Rider Weight: 1.8 t
;Ability Parameters
*Punching Power: 20.4 t.
*Kicking Power: 58.3 t.
*Maximum Jump Height: 20.9 m.
*Maximum Running Speed: 100 m. per 7.5 sec.
Rento transforms into by inserting the Spannerder and Screwder together at the center of the Kikaidriver. Kikai's stats are the highest of the other riders, but is one of the slowest of the riders in the series, and most of his attacks uses ice energy.
Kamen Rider Kikai's suit consists of the following parts:
* - the head.
** - the head's top armor. It is made of that serves as the in-built protection to the user's head.
** - Kikai's visor. Using a heavy toughness lens that is resistant to shock and dirt, it is possible to secure visibility under harsh environments. It also has a caution flash and a built-in siren, and has a role to emit a warning to surroundings with sound and light.
** - The mouthplate that serves as Kikai's filling port. Supplies lubricants and supplies it to each part of the machine.
** - The cross spanner-like faceplate that serves as Kikai's communication device. It enables communication with all kinds of equipment including artificial satellite. It is made with the highly durable that make up Kikai's armor and weapons.
** - The two 'bolts' at the bottom the Spanney Horns. They are emergency stopping devices. If Kamen Rider Kikai's equipment becomes unstable for some reason, it has the role of physically stopping the equipment.
* - The chest armor. A built-in master cylinder for pumping energy into the fuselage distributes the energy to the fuselage in accordance with the control program. Moreover, it is easily maintainable thanks to a virtual console for external input and the numerous markings, allowing one person to fix about 87% of damage and malfunction.
* - the shoulders. It follows the motion of the crane arm and has the role of following the fragile part of the movable part. It is a remodeled type of shoulder guard for the Humanoise, exterior panels are replaced with armor plates made of Cold Metallium and attached to the truss frame. This resulted in a structure similar to those found in space armors.
* - The upper arms. It is derived from the power assist unit for Humanoises. The arm is strengthened with 6 energy pressure type cylinders, and demonstrates the power to lift a maximum of 360 tons.
* - The forearm armor. It strongly supports the Ripper Gloves by delicately manipulating ten super steel wires with a built-in winch mechanism. It is a retrofitted Humanoise forearm of the winch option, exterior panels are replaced with armor plates made of "Cold Metallium" and attached to the truss frame.
* - The hands. The grip force of the Humanoise is increased 18 times by interlocking with the Power Arm Winder. The tip is coated with a super steel metal coating, and can crush rocks and concrete lumps by thrusting. Control over the Ripper Glove is very precise, allowing Kikai to do delicate tasks such as grabbing raw eggs or playing a guitar without fear of breakage.
* - The bodysuit. It is made of a special protective sheet. It blocks dust and wind from entering and affecting any internal machinery, thereby keeping the condition of the machines intact. It has an antifouling finish.
* - The legs. It is diverted from the leg power assist unit for Humanoises, and strengthens thigh with ten energy pressure type cylinders. This mechanism can also be used as a damper utilizing pressure, absorbing the impact of landing such as jumping. Also, an energy condenser is built in the shin, and by rapidly charging the energy, it is possible to dramatically increase the destructive power of the kick.
* - The knee joints. It is derived from a power assist unit for joint part for the Humanoise. It incorporates an energy pressure type torque converter and demonstrates a maximum torque of 242 kgf/m (kilogram force per minute), resulting in knees that can rotate at high speed.
* - The leg and shin armors. It uses divergent special armor from the Humanoise army. Thanks to the inbuilt , leg power such as striking power and agility is greatly enhanced.
* - The feet. It is a reinforced type of the hoisting device for the Humanoise and has a mechanism that uses the explosive power of the built - in ultra - small engine to splash the body with reaction force. Because it is raising the explosive power to the limit as a battle purpose, it exchanges the exterior to what is made of Cold Metallium.
By touching the Destructo Reactor grips of the Kikaidriver, Kamen Rider Kikai can initiate one of three attacks:
* - Kikai generates electrified ice energy from his belt and channels it through his right foot as he executes a spin kick.
* - Kikai channels his electrified ice energy through his right arm and executes a punch powerful enough to destroy the object.
* - Kikai generates a large amount of electrified ice energy throughout his upper body and jumps high, and the energy transfers to his right foot and solidifies into a large icicle that penetrates the target.
Appearances: Zi-O Episodes 22-24, Kamen Rider Zi-O: Special Event
==Equipment==
*Kikaidriver - Kikai's transformation device.
===Arsenal===
*Satellite - A satellite which absorbs sunlight and transforms into a solar-based laser beam that recharges Rento.
==Legend Rider Devices==
==Behind the Scenes==
===Portrayal===
Rento Makina is portrayed by actor , who is best known for his roles as Kikaider (REBOOT) and in . As Kamen Rider Kikai, his suit actor is 
===Etymology===
Rento Makina's last name is a pun on the word . In addition, the word for "machine" in Tagalog/Filipino is also "makina".
==Notes==
*Rento/Kikai pays homage to Kikaider, a hero who was also created by Shotaro Ishinomori.
**Rento's actor, Jingi Irie, played the rebooted Kikaider back in 2014.
*** was written by Kento Shimoyama, who also wrote the Zi-O arc in which Rento is featured.
**"Kikai" means "machine" in Japanese, which alludes to the fact that Rento isn't 100% human. This is similar to Irie's previous role as Kikaider as Kikaider isn't human at all.
**His style of clothing is very similar to 's 1970s television show incarnation, having a yellow shirt, black leather gloves, with a denim jacket and blue jeans.
**One of the words the Kikaidriver cries out during transformation is "Hakai!", which alludes to Kikaider's arch enemy Hakaider. This lore is also represented in his finishing move, ,  a pun on both Kikaider and Hakaider.
**The title of the first episode in which Rento appears in is a pun that spells out Kikaider ("It's Kikai/ Kikai Da!").
**Kikai, being pronounced ki-kai, can be loosely translated as "yellow Chi", with Chi being the Greek letter that looks like X, hence the X formed by the tools on the Kikai Driver, and the use of yellow as the primary color of this Rider's armor.
*Kikai is the first future Kamen Rider in Kamen Rider Zi-O whose suit isn't retooled from any previous Kamen Rider. Instead, he is retooled from the Guardians.
**Kikai's helmet with the crossed wrenches (spanners) somewhat resembles Kamen Rider Kaixa's helmet.
*Overall, Kikai is the most distant future Rider in the entire Kamen Rider series.
**His active year, 2121, is 150 years after the very first Kamen Rider debuted.
**It is also interesting to note that the year Kikai comes from is set after the time period where Geiz, Tsukuyomi, and Black Woz hail from: 2068. In an ironic twist, both of their timelines are dystopian futures - 2068 is where Ohma Zi-O rules the world with an iron fist, while 2121 is where humanity is enslaved by mechanical beings.
*Unlike the previous two Future Riders who were portrayed by former Sentai Rangers actors, Jingi portrayed a as well as the rebooted Kikaider, as previously mentioned.
**An obvious reference is also represented in his cryokinesis attack, while Zamigo is also able to manipulate ice.
*Kikai is the only future Rider in Zi-O to have these different traits among the other future Riders:
**Kikai is the only non-human Rider in the future.
**Kikai was encountered for more than once in Sougo's dreams, as he only encountered Shinobi in the future once.
**Kikai was subjected to the Cross of Fire rule, wherein a Rider is known for the association with their respective adversary. In Kikai's case, he is, in fact, a Humanoise who defected from his kind to defend the remaining humans.
==Appearances==
* Kamen Rider Zi-O
**Episode 22: Zi-O Strongest! 2019
**Episode 23: It's Kikai! 2121
**Episode 24: Best Friend 2121
**Kamen Rider Zi-O: Special Event
==References==
==Navigation==
ru:Ренто Макина
Category:Zi-O Riders
Category:Zi-O Characters
Category:Non-human Riders
Category:Heroes
Category:Heisei Era Riders
Category:Heisei Phase 2 Riders
Category:Evil turns good
Category:Good turns evil
Category:Allies
Category:Future Riders
Category:Robots