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". Killer is a tall, muscular man. He has long wild blonde hair that reaches 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 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 large sheath tied to his right hip. After the timeskip, Killer is shown as more muscular and with a thicker neck. He has grown a goatee and is shown to have a prominent scar on his left arm.

Personality Like the rest of Kid's crew, Killer comes across as both mildly arrogant and level-headed, 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 has been shown to be much calmer than his captain, advising him to be polite when meeting with his fellow Supernovas. 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 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. 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. 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. 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. 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. 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. 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.

Backstory 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.