Diamante is a member of the Don Quixote Pirates, and the Hero of the Corrida Colosseum in Dressrosa.
Diamante is an antagonist 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 Punk Hazard Arc that began in Volume 66.
His first appearance was in One Piece Volume 70 CH. 700 "His Momentum", and his first anime appearance was in One Piece - Episode ?? "??". No voice actor has yet to be announced for this character.