Gladius is a member of the Pica Army branch of the Dox Quixote Family.
Gladius 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 69 CH. 682 "Mastermind", and his first anime appearance was in One Piece - Episode 608 "A Mastermind Underground! Doflamingo Makes His Move!". No voice actor has yet to be announced for this character.