Hack is a fish-man martial arts master of Fish-Man Jiu-Jitsu who competed at Corrida Colosseum.
Hack is a supporting character in the One Piece series that was created by Eiichiro Oda. The series first began serialization in Shueisha's Weekly Shōnen Jump on August 4, 1997. He would later appear in the Dressrosa Arc that began in Volume ??.
His first appearance was in One Piece Volume ?? CH. 706 "I Ain't Gonna Laugh at Ya", and his first anime appearance was in One Piece - Episode ?? "??". No voice actor has yet to be announced for this character.