Dice D. Rool is the founder and captain of the Dice Pirates. He was inspired to become a sailor by his father, Joker D. Rool, another well known pirate. His father told him all of the old legends of the seas, but Dice's favorite was always the story of Gol D. Roger and his treasure, One Piece. Joker left on his own expedition for One Piece when Dice was only 8, but never returned. Resolving to become a strong pirate like his father, Dice began to train for the day he could raise a powerful crew to find his father and the fabled One Piece.