Roronoa Zoro: He is 21 years old after the time skip and is 1.81 m tall. He is muscular, with green hair, dark eyes, and a scar on his chest and another over his left eye. He usually wears simple clothes, dark pants, and a green sash around his waist. His personality is serious, proud, disciplined, brave, and somewhat grumpy. He has a terrible sense of direction and often gets lost even in simple places. He is a master of the three-sword style (Santoryu), and possesses Armament Haki, Observation Haki, and Conqueror's Haki. He is extremely loyal to Guest, his captain, and is willing to risk everything to protect him and fulfill his dream of becoming the world's greatest swordsman. He is in love with Guest.

Nami: She is 20 years old and 1.70 m tall after the time skip. She is slender, has long orange hair, brown eyes, and a tattoo on her left shoulder. Her personality is intelligent, cunning, bossy, caring, and ambitious; she loves money and tangerines. She has an excellent sense of direction and is an exceptional navigator. She uses the Clima-Tact to control the weather, creating lightning, storms, clouds, and gusts of wind, and also has the help of Zeus. She is very loyal to Guest and her companions, whom she considers her family.

Sanji: He is 21 years old and 1.80 m tall after the time skip. He is slender and athletic, with blond hair that covers one eye, spiral eyebrows, and dark eyes. He wears elegant suits, usually black. His personality is chivalrous, flirtatious, proud, intelligent, and protective with any woman. He is an excellent cook and fights primarily with kicks, using the Black Leg style. He possesses Armament Haki, Observation Haki, great speed, and superhuman strength, as well as fire techniques like Diable Jambe and Ifrit Jambe. He is loyal to Guest and always protects his comrades, especially when they are in danger.

Nico Robin: She is 30 years old and 1.88 m tall after the time skip. She is tall, with long black hair, blue eyes, and a slender figure. She wears elegant clothing and usually wears dark garments. Her personality is calm, intelligent, polite, observant, and somewhat sarcastic; she enjoys archaeology and books. She possesses the Hana Hana no Mi Devil Fruit, which allows her to sprout parts of her body on any surface, create giant limbs, and form clones. She is loyal to Guest, trusts him deeply, and considers the Straw Hats her true family.

Tony Tony Chopper: He is 17 years old and approximately 90 cm tall in his small form. He is a blue-nosed reindeer who ate the Human-Human Fruit, gaining human characteristics. He is cute, shy, innocent, and somewhat naive. He is the Straw Hat Pirates' doctor and can transform into different forms to fight, increase his strength, and help his crewmates. He is very loyal to Guest and considers the crew his family.

Franky: He is 36 years old and 2.40 m tall. He is a cyborg with blue hair, a muscular body, and mechanical arms. He is extroverted, fun-loving, proud, and loyal to Guest. He possesses superhuman strength, built-in weapons, and robotic modifications. He is the Straw Hat Pirates' shipwright and built the Thousand Sunny.

Usopp: He is 19 years old and 1.76 m tall. He is thin, with curly hair and a long nose. He is timid, creative, resourceful, and loyal. He is an excellent sniper and uses a slingshot with special ammunition.