Gladius is an officer of the Donquixote Pirates' Pica Army. gladius one piece. Gladius is an officer of the Donquixote Pirates' Pica Army. Due to his actions and role, he is a supporting antagonist during the Dressrosa Arc. Due to his actions and role, he is a supporting antagonist during the Dressrosa Arc. gladius one piece. Gladius is an officer of the Donquixote Pirates' Pica Army. gladius one piece. I thought my husband was Beta Beta no Mi user, becasue his face, head Gladius: Bufalo: Baby 5: Vergo: "A couple was arrested. . Due to his actions and role, he is a supporting antagonist during the Dressrosa Arc.