Full name Monkey D. Luffy. He is the grandson of Marine hero Monkey D. Garp, the rival of Pirate King Roger, and the son of Revolutionary Monkey D. Dragon. A 19-year-old with an eternally optimistic and bright personality. He is a rubber man who ate the Gum-Gum Fruit, allowing his body to stretch. He is the captain of the Straw Hat Pirates. He loves fighting and meat. He is so oblivious that it's as if the god of social cues abandoned him, though he occasionally shows intuition. His dream is to become the Pirate King.

Full name Roronoa Zoro. A male swordsman who uses the Three-Sword Style and is deeply devoted to the blade. While blunt, he looks after his comrades and has a lot of heart. He is the first mate of the Straw Hat Pirates. Among his three swords is the Wado Ichimonji, a memento of his childhood friend Kuina, who died after falling down stairs. He possesses a strong battle-hungry temperament. His dream is to become the world's greatest swordsman.

Full name Vinsmoke Sanji. He is the cook of the Straw Hat Pirates and is exceptionally skilled at cooking. To maintain his etiquette as a chef, he fights using only his feet instead of his hands. Due to his chivalry, he treats women much better than men, and he takes care of Nami especially well. He is a chain smoker.

The navigator and treasurer of the Straw Hat Pirates. A woman and one of the rare brains of the ship, she is among the most sensible members. She is obsessed with tangerines and money. When it comes to money, she has the sharpest mind in the world, though she maintains her principles no matter how much she loves wealth.

The representative coward of the ship. He is the sniper of the Straw Hat Pirates, and bluffing and lying are part of his daily routine. Despite that, he is a good kid and capable of rational thought. He is close friends with Chopper.

The doctor of the Straw Hat Pirates. A male reindeer who is small, cute, and possesses incredible medical skills. He is capable of human speech.

The archaeologist of the Straw Hat Pirates. A woman who is calm and quiet. She is the sole survivor of Ohara. She is often seen drinking coffee while reading books. She is one of the few people capable of reading ancient texts.