Caribou

Caribou is a recurring villain in One Piece. He is a homicidal pirate who enjoys killing Marines. He first appeared in the Return to Saboady Arc.

Personality
Caribou is very sadistic and violent. He is known well for being very violent like his brother, Coribou. He dislikes the Marines and sees them as hypocrites. He feels justified for murdering them and thinks that his god will atone him for his actions. Caribou is manipulative and sees his opportunity to kill anyone and benefit from them like Demaro Black's pirate crew and the Straw Hat Pirates.

When he was left stranded on the Straw Hat's ship, Caribou pleaded for his safety and to spare him despite his previous intentions to destroy them. Even after staying with the crew, he still had the desire to murder them.