"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 ate a defective SMILE. 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.