Hajrudin is a giant warrior described as being from the new generation of Elbaph.He is the son of the late King Harald and the older brother of prince Loki

A century after the Giant Warrior Pirates' disbandment, Hajrudin formed the New Giant Warrior Pirates in an attempt to revive the legendary crew; they formerly served as S-class pirate mercenaries for Buggy's Pirate Dispatch Organization.Hajrudin competed in the Corrida Colosseum on Dressrosa, where he would team up with Monkey D. Luffy and the Straw Hat Pirates to overthrow Donquixote Doflamingo's regime. Following this, Hajrudin swore his crew's allegiance to Luffy and became the captain of the sixth ship of the Straw Hat Grand Fleet.