Killer

"Massacre Soldier" Killer is a pirate from the South Blue and a combatant of the Kid Pirates. He is one of twelve pirates who are referred to as the "Worst Generation". After the timeskip, his bounty has been raised from 162,000,000 to 200,000,000.
Following the confrontation with Kaidou, Killer ate a defective SMILE and taking on the alias of Kamazo the Manslayer, a street murderer in Wano Country who secretly acted as an assassin working for the shogun, Kurozumi Orochi, until the shogun discarded him after he had failed his mission to kill Toko. He later reunites with his crew and becomes an ally member of the Ninja-Pirate-Mink-Samurai Alliance during the Wano Country Arc.
==Appearance==
Killer is a tall muscular man with fair skin, he has long wild messy blonde hair sticking up in all distance reaching down to his thighs he wears a plain, white and light-blue striped full-head helmet with many rows of holes in it, and what look like modern headphones on both sides. He also wears a black shirt with white polka-dots and an open collar that shows his chest, with blue riding chaps over his ankle-length blue-grey pants. Additionally, Killer has a red sash around his waist.
He carries a pair of handguards which have very long detachable scythes connected to them. When not fighting, these scythes are placed in a green large sheath tied to his right hip.
In an SBS Volume 64, Oda drew the Supernovas as children. Killer is shown as a boy with shoulder-length wavy hair that covered his eyes with a plain t-shirt, pants and shoes, eating a plate of noodles. This makes a reference to SBS Volume 62, that Oda stated that Killer, as an adult, prefers to consume food that can pass through the holes of his mask, such as stick-shaped ones and ramen.
After the timeskip, Killer is shown as more muscular and with a thicker neck. He has grown a blond goatee and is shown to have a prominent scar (similar to varicose veins.) on his left arm. His hair is shorter, now only reaching down to his back. He has changed his attire after the two-year timeskip to a blue t-shirt with his customized Jolly Roger on. a blue slash, jeans, black dress shoes,
Under the guise as Kamazo the Manslayer, Killer lost his mask and has bandages covering most of his face and arms. He has sharp, slanted eyes with blue pupils and purple-coloured lips. His hair is kept bound into a high ponytail, and he wears a red violet kimono with yellow sickle-shaped patterns placed on it irregularly, as well as a dark violet obi around his waist and a cape that both have target patterns on them. By the time of the Fire Festival, Killer regained his mask, although it was heavily damaged during his fight with Hawkins, having received several cracks.
===Gallery===
====Killer====
====Kamazo====
====Video Games====
==Personality==
Like the rest of Kid's crew, Killer comes across as both mildly arrogant and level-headed, in the latter case, probably more so than their captain. Of course, this does not mean he is not as enticed toward violence as anybody else on the crew. He also remains fairly silent during combat, save for the slicing of his blades, and tends to focus on the elimination of his enemies. Killer is more knowledgeable than his captain in terms of historical facts, as shown when he informed Kid the meaning of the Ox Bell. 
After the timeskip, Killer has been shown to be much calmer than his captain, advising him to be polite when meeting with his fellow Supernovas, and was then able to prevent a fight between him and Scratchmen Apoo from escalating while reminding them of the purpose of their meeting. He also seems to be more reasonable than his captain, which is in contrast to his name, as he tried to reason things out rather than immediately trying to start a fight.
Killer is very caring towards his allies. Though the exact terms are unknown, he was made an offer where he could save his crew by eating a SMILE fruit and working for Orochi, and Killer accepted the deal. After eating a faulty SMILE fruit, Killer lost the ability to express negative emotions and is now only able to smile and laugh.
After taking on the alias Kamazo, he displays the traits of a violent man who takes pleasure in killing. If he encounters someone whom he has not been ordered to kill, he will give them the chance to get out of his way but will kill anyone who stands between him and his target without issue. He is very confident in his abilities, constantly taunting his opponents and being sure that they will lose to him. As someone who worked for Orochi, "Kamazo" held the shogun in high regard and would get mad if anyone referred to the shogun in an impolite manner.
By the time of the raid on Onigashima, Killer started regaining much of his former personality, though he still suffers from the effect of the faulty SMILE fruit. A week after the raid, Killer expresses admiration at General Franky, continuing a running gag that male characters often partake in when they see robots.
Like many other people, he has a unique laughter style: . According to Kid, Killer hates his own laugh to the point of stopping himself from doing so ever since. Moreover, he also hates people laughing at his laugh and is willing to kill them for it.
His favorite food is spaghetti, his mask being specially designed so he can eat it without removing the mask. 
==Relationships==
===Crew===
Like his Captain, the Kid Pirates seem to have the most respect for him after Kid. After eating a defective SMILE and losing the ability to express negative emotions, the crew also laughed like Killer out of respect for his new condition and knowing that he hates his own laugh.
====Eustass Kid====
Kid and Killer grew up together, so they share a close bond that goes all the way back to childhood.
Kid refers to Killer as his partner and is aware that the latter is sensitive about his own strange laugh, which is why, despite being unaware about Killer having eaten a defective SMILE, he knew something was wrong with his subordinate. This was enough for Kid to attempt a reckless rescue of his friend, which led to his second capture from the Beasts Pirates after managing to escape the first time.
Killer has displayed immense loyalty for Kid multiple times; it was due to Kid's life being in danger that Killer ate a defective SMILE fruit and became a subordinate of Kurozumi Orochi, showcasing extreme loyalty for Kid. Another notable instance of this happened during the war against the Beasts Pirates at Onigashima, when Hawkins managed to link his life to Kid's, which forced Killer on the defensive so he would not accidentally kill his captain, even begging Hawkins to take his life instead as long as he left Kid's alone.
Killer usually acts as the voice of reason for his captain, making sure Kid stays focused and does not lose sight of his goals due to impulsiveness, especially if it was about achieving your goal. Killer also provides Kid with useful information whenever the latter displays curiosity in a certain topic.
===Enemies===
====Basil Hawkins====
During the meeting between the Hawkins Pirates, the Kid Pirates and the On Air Pirates to form an alliance, Killer tried to reach for Hawkins so he would not leave before hearing their proposal, showing he was interested in having the Magician on his side. That said, Hawkins submitted to Kaidou when the latter attacked the hideout of the Kid Pirates, eventually becoming their enemy in the Wano Country Arc.
Hawkins confronted Killer during the raid on Onigashima and where Killer taunted him for being a true watchdog of Kaidou, feeling confident that he would win.
Using Kid's life as a hostage, Hawkins managed to get the upper hand in the battle despite Killer's efforts. However, Killer was able to figure out a way to bypass the effects of the Wara Wara no Mi, something Hawkins could not foresee. Killer claimed that Hawkins was unsure about his loyalty to Kaidou and regretted joining forces with the Emperor. He also taunted his former ally about his choice to become part of the Beasts Pirates, citing that, despite Hawkins' predictions, he and Kid were still alive from their previous fight with Kaidou.
===Rivals===
====Roronoa Zoro====
Killer and Roronoa Zoro first met in Wano Country when Zoro fought off Killer—who was working under the alias "Kamazo"—to protect Hiyori and Toko. During the raid on Onigashima, Zoro recognized Killer as Kamazo due to his laugh. Killer claimed that if he had used his Punishers, the outcome of their fight would have been different to which Zoro responded that the outcome would just end the same. It is shown to be well connected when they attacked Kaidou and when they were going to rob Big Mom's homies.
==Abilities and Powers==
As a member of the Worst Generation, he is a powerful pirate, being the only one (alongside Roronoa Zoro), not to be a captain; where along with him he is also one of the two members who does not have the powers of a Devil Fruit, unlike everyone else.
Prior to the timeskip, he obtained a bounty of a 162,000,000 by the time he had reached the Sabaody Archipelago, where he briefly faced off against Urouge, another member of the Worst Generation, with apparent ease.
After the time skip, his abilities have increased, where his bounty increased to 200,000,000. He was able to face Zoro, where the latter recognized Killer's power. At the same time, he managed to wound him, albeit with a surprise attack, only to be defeated in the end. Killer himself believed that he could have killed Zoro if he had used his Punishers. During the raid on Onigashima, he earned the distinction of injuring Kaidou, formerly of the Four Emperors and considered the "The Strongest Creature", where Kaidou himself recognized his power. He later defeated to Basil Hawkins, another Worst Generation member, where the latter seemed to recognize he could not defeat Killer, so he decided to use dirty tricks.
Additionally, Killer has a strong will, as he was completely unaffected by a burst of Rayleigh's Supreme King Haki.
After eating a failed SMILE, Killer lost his ability to swim and to show other expressions besides a smile.
===Physical Abilities===
Killer's style of fighting seems to rely mainly on his extraordinary speed and agility, which he uses to overpower his opponents before they can strike him or dodge his attacks. Killer's fighting style tends to be highly acrobatic as a result and he is able to slice targets before being noticed or detected. During his battle with Zoro, he managed to put him in constant trouble in terms of speed, and he was even able to steal Napoleon from Emperor Big Mom's clutches before she could realize it. 
Killer possesses immense physical strength, being capable of fighting head on with Urouge, a man twice his size. He has incredible levels of physical endurance and stamina, being able to continue fighting after a lightning strike from Zeus, one of Big Mom's most powerful homies.
===Haki===
Killer possesses the ability to use Armament and Observation Haki.
===Weapons===
Killer is seen wielding a pair of gauntlets equipped with scythe-like blades, which he dubs "Punishers". The blades are capable of spinning around like buzzsaws or simply being used as hand scythes. These weapons can also be used to block other weapons, leaving the foe open for Killer to kick the enemy's flank or other exposed areas. This, combined with the agility he has so far displayed in combat and the notion that he is not afraid to kill, makes him a formidable foe.
If spun at a high enough speed, the Punishers can generate powerful soundwaves to inflict damage to its target from the inside. This way, Killer even managed to hurt Kaidou, in his full dragon form, a feat only a few people were capable of, let alone dared to.
In the anime, the Punishers were destroyed when Killer attempted to block Shanks' attack at Elbaf, while their fate is unknown in the manga.
As Kamazo, Killer used two regular scythes, but lost them after he was defeated by Zoro. In the anime, Killer was shown able to launch flying slash attacks with both sets of weapons.
==History==
===Past===
Killer was born in the South Blue in an island unaffiliated with the World Government. He knew Eustass Kid since they were children. One day, they ate curry udon with their first love, Victoria Shiruton Doruyanaika. They laughed when she spilled curry broth all over herself while eating it, causing her to beat them up. This caused curry udon to become their least favorite food.
According to Kid, Killer hated his own laugh so much that he beat up anyone who made fun of it. He eventually stopped laughing at all and started to wear a mask to hide his face.
Killer, Kid, Heat and Wire were bosses of gangs ruling the island's four towns. After Victoria was murdered by a rival gang, Kid unified the four groups and took down the rival gang. He then decided to form a pirate crew, naming their ship Victoria Punk after Victoria, with Kid as the captain and Killer as his right-hand man. While his captain gained more and more infamy, Killer himself became well known as well, earning himself a 162,000,000 bounty alongside his captain. They were noted to have been responsible for a great deal of damage and had caused many civilian casualties for the slightest provocations along their journey. 
They eventually entered the Grand Line in search of the One Piece. After a long voyage following one of the Log Pose routes of the Grand Line, Killer and the crew arrived at the Sabaody Archipelago to prepare themselves for the New World. 
===Summit War Saga===
====Sabaody Archipelago Arc====
After a long voyage following one of the Log Pose routes of the Grand Line, Kid and his crew came to the Sabaody Archipelago to prepare themselves for the New World. For unknown reasons, he ended up facing Urouge around one of the archipelago's groves. Killer's fight was eventually broken up by X Drake, who told them to reign in themselves until they hit the New World.
He later rejoined with his captain at the Human Auctioning House, to observe the auction taking place. After interruptions caused by Monkey D. Luffy, Killer found himself fighting to escape alongside Trafalgar Law's and Luffy's crews, in the face of a daunting Marine attack. During the battle, Luffy remarked how he will be the one to find the great treasure One Piece; Kid responded to this statement by ceasing current fighting, and facing Luffy. After a brief recollection between the captains, on how their journey was met with laughter and dismissal at their crews' dreams, on their route along the Grand Line, the crew escaped together.
The crew managed to defeat the Marines and headed back to their ship to escape the island. Destroying a bridge to halt enemy progress, their crew was amazed at the tenacity shown by the Marines, as they continued the chase despite the bridge being destroyed. Their attention was drawn at that moment, however, to the presence of a Pacifista, whom they assumed to be Warlord of the Sea Bartholomew Kuma. With the Heart Pirates eventually joining in, both crews prepared themselves to confront the human weapon.
====Marineford Arc====
The Kid Pirates managed to escape capture by the Pacifista and later were seen somewhere in the Sabaody Archipelago. They watched the live broadcast of the execution of Portgas D. Ace up until it was cut off by the Marines.
====Post-War Arc====
The Kid Pirates then approached Marineford and watched the war unfold from a safe distance on board of their ship.
Several weeks after the war, Killer and the rest of the Kid Pirates were on a rainy island in the New World. When Kid read the newspaper about Luffy ringing the Ox Bell and asked about it, Killer explained the significance to his captain.
They had taken another pirate crew captive. After the crew begged Kid to let them go back to "Paradise" (the first half of the Grand Line), Kid tied them to branches in the shapes of different crosses and crucified them using his Devil Fruit powers, saying that people with that little amount of resolve have no business in the New World.
===During the Timeskip===
During the timeskip, Killer's bounty was increased to 200,000,000. At some point, the crew engaged in a battle against the Red Hair Pirates.
Sometime later, the crew arrived in Totto Land, where they retreated after forcing one of Big Mom's Sweet Commanders to give them a copy of her Road Poneglyph.
===Dressrosa Saga===
====Punk Hazard Arc====
Killer and Kid watched Caesar Clown's broadcast of his new weapon of mass destruction via a video Den Den Mushi, and Killer commented on how his captain was not suited to be a broker. Leading Kid away to one of the main rooms, he warned the other to be civil before entering the room. Discovering the place, a mess due to Scratchmen Apoo looking for an alleged sniper, Kid quickly started a fight with Apoo, while Basil Hawkins decided to leave. Calming the others down, Killer then revealed their intention to create an alliance with the On Air and Hawkins pirates.
Later on, he continued watching Caesar's video broadcast, where Luffy defeated Caesar.
The next morning, the newspaper printed a story which announced the alliance between the three crews. The group was confused on how the information got out but put the issue aside, as they were planning to take down an Emperor.
====Dressrosa Arc====
Kid, Hawkins, and Apoo were dining together when they heard the news of Doflamingo's defeat. They figured that Luffy and Law were after Kaidou. Killer revealed that the target of the Kid's alliance is Shanks.
A mysterious figure then landed on the Kid Pirates' base, and when it got up, Killer wondered in shock what kind of monster it was before the figure revealed himself to be Kaidou. At that time, Killer, Kid, and Hawkins discovered that Apoo was already working for Kaidou with the intention of setting them up to join Kaidou as his subordinates. While Hawkins joined Kaidou, Killer and Kid refused to submit to the Emperor and tried to fight him only to be defeated. Afterwards, the Kid Pirates were separated.
===Whole Cake Island Saga===
====Zou Arc====
At some point after the encounter with Kaidou, Kurozumi Orochi offered Killer a chance to save his captain by giving him a SMILE fruit, but the fruit was a failure and it stripped Killer of his ability to express his emotions except happiness, which angered Killer (partly due to how much he hates his own laugh).Later Orochi hired him as an assassin under his orders, taking the name "Kamazo".
===Wano Country Saga===
====One Piece: Stampede====
Killer and his crew attended the Pirates Festival on Delta Island. He participated in the main event, the Treasure Race, safely sailing up the Knock Up Stream and landing on the central Treasure Island, where all the pirates raced for Gol D. Roger's treasure, all the while battling other Worst Generation members. When Buggy ended up exposing himself after snatching the treasure, Killer and his crew chased after the Warlord. However, the Treasure Race was cut short, when someone threw a galleon at the island, destroying it, and sending everything plummeting back to the surface. When Killer realized that the one who did this was Douglas Bullet, he notified Kid, who was quite surprised. In the end, after his captain gave into Bullet's taunting, he and the other Worst Generation members (except for Zoro and Law) attacked the Demon Heir. At first the Worst Generation pirates managed to deal a few good blows on the veteran, but when the opponent revealed his Gasha Gasha no Mi powers, the battle quickly ended in their defeat.
Later, after Bullet was defeated, his crew along with the other Worst Generation pirates and several other crews attempted to break through the Marines encirclement surrounding the island. They were able to successfully escape thanks to Sabo and Ann creating a blazing barrier to protect them.
====Wano Country Arc====
According to a Wano newspaper, he was responsible for a street murder on the eighth street in District 2 of the Flower Capital.
After the chaos at the palace, Orochi hired Kamazo to kill the kamuro Toko. He then pursued Toko and Kouzuki Hiyori to the Ringo region, where he came across a confrontation between Roronoa Zoro and Gyukimaru. Zoro then clashed with Killer in order to protect Toko and Hiyori. When Zoro was distracted by Gyukimaru, Killer managed to land a grievous hit on him. However, Zoro was able to take one of his scythes as a result and strike him. After that blow, Killer fell to the ground defeated.
Later on, for failing to kill Toko, he was sent to the Prisoner Mine in Udon alongside Kid, who previously escaped and got recaptured. Kid questioned him on what Kaidou had done to him and the fate of their crew, but Kamazo could not answer through his laughter and tears. Queen then subjected them both to water torture and threatened to keep them submerged until Luffy and Hyougoro die. When Big Mom was swinging Queen around, Killer and Kid were saved from drowning when Queen crashed into the contraption holding them and knocked them out of the water.
As Luffy and his allies from the Ninja-Pirate-Mink-Samurai Alliance were fighting against the Beasts Pirates, Raizo tossed some keys to Killer and Kid, which they used to escape their cuffs. After the prison takeover, Kid rejected Luffy's offer for an alliance and Killer left the Prisoner Mines with Kid. Killer and Kid later reunited with their crewmates and joined the battle against the Beasts Pirates during the Fire Festival, with Killer having regained his original identity and look at some point.
When the Straw Hats took over the port in front of Onigashima, the Kid Pirates promised to be the ones who would defeat Kaidou, all while laughing with Killer out of respect for his new condition. After disembarking on Onigashima, the Kid Pirates received Beasts Pirates disguises from Kin'emon. As the alliance began their raid, the Kid Pirates went ahead of the Straw Hats. While deep inside Onigashima, the Kid Pirates overheard the commotion caused by Luffy and Zoro and attempted to remain incognito, but when their former ally Apoo started getting involved, Killer was unable to hold Kid back.
After Kid's brief scuffle with Apoo, the situation became more chaotic as a Number entered the fray. As Killer, Kid, Luffy, and Zoro ran to the castle, Killer told the others a possible way to avoid Apoo's attacks. Inside the castle, Killer and Kid got separated from their allies and found themselves fighting against several Gifters. As the Ninja-Pirate-Mink-Samurai Alliance began their all-out war on the Beasts Pirates, Killer and Kid were aided by some of the rebels who had infiltrated the castle. Killer and Kid eventually reached the third level of the castle, where Killer cut through opponents as Kid focused on collecting metal.
The two later reached the roof, where they were joined by Law, Zoro, and Luffy as they prepared to fight against Kaidou and Big Mom. When watching Luffy successfully deal damage to Kaidou with his improved Armament Haki at the opening clash of the battle, Killer mentioned that they actually do have a chance of winning. Later and after a brief discussion with Zoro about their fight back in Ringo and how the outcome would have been different if Killer was using his Punishers, they both attacked Kaidou simultaneously, with the Emperor praising their combat skills. As the battle went on, Killer tried attacking Kaidou with Kamaa Sonic in order to injure his internals and was successful to some extent. However, Killer was struck by a lightning bolt unleashed by Big Mom right afterwards. While Killer was falling, Kaidou tried to chomp on him, but Luffy was able to kick Kaidou away. After Luffy pummeled Kaidou with Gomu Gomu no Kong Gatling, Killer and Kid tried to continue on the offensive, but Kaidou stopped them by creating some twisters. Killer is then shocked to see that Zoro managed to hurt Kaido by penetrating his scales. The emperor thus launches several air cuts from which Killer defends himself using his weapons.
Having trouble facing the combined might of Kaidou and Big Mom, the Supernovas devised a plan to split the two Emperors away from each other. 
Kaido and Big Mom use a combo attack, which Zoro manages to slow down allowing the others to avoid it, after Killer asks the others where the Straw Hat is, Killer and Zoro separated Big Mom from her special homies, with Killer knocking Napoleon out of her hand and chasing away the sword. After Kid and Law trapped Zeus in a box and threw Big Mom off the island, Killer accompanied his captain to the edge of Onigashima in order to prevent her from returning. Big Mom flew back to Onigashima with a new thundercloud homie and attacked Killer and Kid. The lightning bolt sent them crashing back inside the Skull Dome. When Big Mom searched for them in the floor below, they chased after her to prevent her from rejoining Kaidou. 
Their former ally, Hawkins blocked their path, so Killer told Kid to proceed while he took care of Hawkins himself. Hawkins transforms into a straw monster, thanking Killer, since his chances of beating both of them were very low, so Killer mocks him back. Hawkins started taunting Killer about the latter's chances of dying in this fight, which were a staggering 92%, but Killer brushed off Hawkins' fortune-telling, laughing it off while showing reassurance of his own strength. Killer continues to attack Hawkins, depriving him of many of his dolls, asking him how many he has left, to which Hawkins replied that he is running out. Killer then stabbed Hawkins, who redirected the injury to a doll linked to Kid. Hawkins revealed the truth about the link because he wanted to watch Killer struggle with killing his captain, at which Killer laughed at his mercilessness. 
Hawkins hits a pillar to injure Kidd even though Killer, who is lying on the ground, yells at him to stop, where Hawkins taunts his condition for the Smiley, while Killer tells his teammates not to go. When Killer offers his life in exchange for the Kid, Hawkins violently kicks him, taunting that now that the Kid is finally fighting an emperor, there is no need to intervene. In addition to telling him that if he wanted to, he could cut him off now, while if he agrees to surrender, he could make Kaido forgive him. Hawkins tells him that there is no point in continuing to fight, and he and his allies will have no chance of defeating the emperors. Killer, however, countered that Hawkins was covering up his own regret for siding with Kaidou due to how the alliance had fought against the intended results, to which Hawkins angrily tells him that in the end it will be decided who was right. 
Killer gets up saying that he has no regrets, as well as asking Hawkins to explain his power again. Killer then cut off Hawkins' left arm because it wouldn't affect Kid since he no longer had one, where he removed the last straw dummy from Hawkins' amputated arm. Hawkins then uses his cards to summon the Straw Man from him, but Killer decapitated him and quickly defeated Hawkins. Afterwards, Killer cheered on Kid to win in his fight with Big Mom.
When the castle was engulfed in flames, some of Killer's companions started carrying him around under his protest. At that point they were hit by an immense amount of water, realizing that they were safe. As Onigashima finally lands, he and Kid hear Nekomamushi announce that Luffy has finally defeated Kaido and that Momonosuke has facilitated the fall of the island.
One week later, in the port of Tokage, Killer and the other members of the Kid Pirates oversaw the repair of their ship, the Victoria Punk, with the aid of Franky, Usopp and Minatomo, with Killer showing admiration for the General Franky. Kid warned his subordinates to stop being so friendly with the Straw Hats. As the pirates began discussing potential bounties, Apoo arrived with a newspaper containing Kid's new bounty and information about who had replaced Kaidou and Big Mom in the Four Emperors. Killer correctly guessed that Kid was displeased with the news and had rushed to the Flower Capital to confront Luffy about it. He then took the opportunity to call his crewmembers to the festival happening at town in order to celebrate their win.
A few days later, as the Kid Pirates were readying themselves for departure, Law gave the Kid Pirates a copy of Wano's Road Poneglyph. Recognizing that it was like the one they took from the Big Mom Pirates, Killer remarked that they had to get serious in the race for One Piece, specifically by going after Hinokizu. As the three crews departed from Wano, the ships all went down the Climbing Koi Waterfall.
===Final Saga===
====Egghead Arc====
Following the sea route their captain chose back at Wano, the Kid Pirates eventually reached their next destination, Elbaf. Killer woke Kid and questioned if they should disembark due to the danger of the island. Shortly after their arrival, they encountered the Giant Warrior Pirates, the Red Hair Pirates, and the captains allied with the Red Hair Pirates, thus prompting the crew to prepare for battle. Killer warned his captain about underestimating the other captains because he recognized some of them from bounty posters. Killer then informed him that there were nine ships, so Kid prepared to destroy them all with Damned Punk. When Shanks leapt to attack Kid directly, Killer jumped in to protect his captain. Shanks' Kamusari destroyed the railgun and heavily injured Killer and Kid in the process. As Shanks left the Victoria Punk, Dorry and Broggy's Hakoku split the ship in half, and the crew sank with the it.
==Major Battles==
*Killer vs. Urouge (interrupted by X Drake)
*Kid Pirates, Heart Pirates and Straw Hat Pirates vs. Marines
*Kid Pirates and Heart Pirates vs. a Pacifista
*Kid Pirates vs. Haritsu Kendiyo and crew
*Kid Pirates vs. Red Hair Pirates (unseen)
*Kid Pirates vs. Big Mom Pirates' allies (unseen)
*Kid Pirates vs. Big Mom Pirates (unseen)
*Kid and Killer vs. Kaidou (unseen)
*Killer (as Kamazo) vs. Roronoa Zoro
*Kid Pirates and Ninja-Pirate-Mink-Samurai Alliance vs. Beasts Pirates
**Killer and Eustass Kid vs. Gifters
**Killer, Kid, Monkey D. Luffy, Zoro, and Trafalgar D. Water Law vs. Kaidou, Charlotte Linlin, Zeus, Prometheus, and Napoleon
**Killer vs. Basil Hawkins
*Kid Pirates vs. Red Hair Pirates and Giant Warrior Pirates
===Filler Battles===
*Eleven Supernovas (minus Law and Zoro) vs. Douglas Bullet
==Merchandise==
===Video Games===
====Playable Appearances====
*One Piece: Pirate Warriors 4 (DLC)
*One Piece: Treasure Cruise
*One Piece: Bounty Rush
*One Piece: Dance Battle
*One Piece: Burning Will
*One Piece: Thousand Storm
*One Piece: Bon! Bon! Journey!!
*One Py Berry Match
====Support Appearances====
*One Piece: Burning Blood
*One Piece: Super Grand Battle X
*One Piece: Great Pirate Colosseum
*One Piece: Gigant Battle 2
==Trivia==
*Killer's helmet has been noted to bear resemblance to the French musician 's helmet from . Daft Punk was made famous in Japan by their animated film , during which time the duo were wearing outfits designed to make them look like robots.
*Killer shares some things with the other members of the Worst Generation:
**He and Monkey D. Luffy are the only known members not named after real-life pirates.
**He and Roronoa Zoro are the only known members who are subordinates (with a lack of an apparent position in their crew) rather than a captain, they are both swordsmen, and they are the only ones who do not have a Devil Fruit power (although Killer has the weaknesses of a user after eating a defective SMILE).
*In the 4th, 5th, 6th, and 7th fan polls of most popular characters, Killer was ranked 100th, 61st, 129th and 55th, respectively.
* as in Kamazo (his Wano alias) can mean "scythe" or "sickle" in Japanese.
*Killer being incarcerated in the region of Udon could be considered ironic since curry udon is his least favorite food. He shares this aspect with Kid, who also gets long imprisoned and tortured in the same location. 
*The water torture that Killer and Kid were subjected to in the Wano Country Arc is a version of the old Japanese torture and execution method known as , or "reverse hanging".
*Killer's laugh is likely a reference to the song by the , as both share “Killer” in their names and the chorus of the song sounds exactly like his laugh.
===SBS-Based Trivia===
*Killer's birthday, February 2, comes from his epithet since 2-2 can be derived from bu-ji.
*Oda said he picked the name "Killer" because of his sheer laziness; thus the name holds little to no meaning. It means that he is the only Supernova introduced in the Sabaody Archipelago Arc whose name is not linked to a real-life pirate or privateer and the only one of the group with no other meaning at all.
*Killer eats with his mask on and prefers food he can consume through the holes of his mask (stick or string-shaped foods). As such, noodle and pasta dishes are a staple food for him. He also drinks alcohol through a straw. His stated preference for remaining masked while eating ascended from trivia to a known fact when he did just that in Chapter 793 and Episode 736.
*A fan asked Oda how Killer would look like if his SMILE had not been a failure, and Oda drew him and answered he would have become an elephant with his human head jutting from trunk and limbs jutting from random parts of the animal's body.
*Killer's favorite food is (spaghetti with garlic, oil, and red pepper flakes). His least favorite food is curry udon because he and his captain were beaten up by Victoria Shiruton Doruyanaika for laughing at her when she spilled curry udon all over herself.
*Killer's animal resemblance is a weasel, a reference to the , a weasel-like yokai with sickle-like claws.
*If One Piece was set in the real world, then Killer would be from Scotland, just like his captain.
*When a fan asked which flower Killer resembles the most, Oda answered he most resembles a .
*If Killer was not a pirate, then he would be a pasta shop owner.
*Killer's hobbies are playing drums and cooking.
==References==
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