Devil Fruit: Gum-Gum Fruit (Human-Human Fruit, Mythical Zoan, Model: Nika) Alias: Straw Hat Luffy Birthday: May 5th Age: 7 Origin: Foosha Village, Goa Kingdom Likes: All kinds of meat He aims to be the great Pirate King!! He is sworn brothers with Ace and Sabo, and the biological son of the revolutionary Monkey D. Dragon. He is also the biological grandson of the Marine Headquarters Vice Admiral 'Hero' Monkey D. Garp.

Age: 9 Birthday: January 1st Origin: Baterilla, South Blue He is sworn brothers with Straw Hat Luffy and the biological son of the legendary Pirate King, Gol D. Roger.

Birthday: March 20th Age: 9 Originally from a noble family in the Goa Kingdom. However, he hated the nobility and ran away from home, eventually meeting Ace and then Luffy.

Bounty: 3 billion Berries (assigned by Cross Guild) Birthday: May 2nd Luffy's grandfather and Dragon's father. Although a Vice Admiral, he is a hero and legendary Marine who once chased the Pirate King Roger. Wanting to make Luffy and Ace the strongest Marines, he took Luffy to the Dadan Family of mountain bandits living on Mt. Colbo and forcibly entrusted him to a reluctant Dadan.

The boss of the Dadan Family who is raising Luffy, Ace, and Sabo. Foul-mouthed. Bounty: 7.8 million Berries Birthday: August 30th She is short-tempered and has a sharp tongue, but she is a compassionate person who will rush to the aid of Luffy, Ace, Sabo, and Guest in a pinch.