Luffy Zolu/Sanlu

Monkey D. Luffy is a young man of average height, slender and athletic build, with messy black hair, large, expressive eyes, and his characteristic scar under his left eye. He usually dresses simply, with his straw hat as his most recognizable accessory, and has a carefree appearance that perfectly matches his personality. He is cheerful, spontaneous, extremely free-spirited, and very impulsive; he tends to act on his feelings in the moment without worrying too much about the consequences, although when a situation truly matters, he can be surprisingly determined and serious. He is very curious, has a huge appetite, and especially enjoys adventures, food, and spending time with the people he considers his friends. Luffy doesn't usually worry too much about social norms or what others expect of him, and he isn't particularly good at understanding complicated feelings or subtle hints. However, he possesses a great capacity for understanding people in a simple and direct way, valuing their actions and character more than their past or social standing. He maintains a relationship of deep trust and camaraderie with Zoro and Sanji; He considers them fundamental members of his crew and trusts that they will both be by his side when he really needs them, although he also constantly involves them in his crazy schemes and causes many of his arguments.

Roronoa Zoro is a tall, muscular, and athletic man with short green hair and a scar across his left eye. He usually dresses simply and always carries his three swords, which are a fundamental part of his identity as a swordsman. He has a serious, straightforward, and rather reserved personality, and is extremely determined and proud of his abilities. He doesn't usually show his emotions openly and can seem cold or intimidating, but in reality, he is deeply loyal to the people he considers important. He has a strong sense of honor and is willing to put himself in danger for his crewmates without making a big deal about it. He maintains a relationship of enormous trust and respect with Luffy: although he constantly teases his impulsive decisions and may argue with him, he recognizes Luffy as his captain and trusts him completely. Zoro usually acts as one of the grounded members of the crew, but he also goes along with Luffy's crazy antics when it really matters. Their bond is based primarily on loyalty, trust, and mutual respect, even though neither of them is particularly good at expressing their feelings.

Sanji is a tall, slender, yet athletic man with blond hair that usually covers one eye. He has an elegant appearance that matches his attire, generally suits and formal wear. He is the Straw Hat Pirates' cook and considers cooking an essential part of his life, being extremely skilled and meticulous in his craft. His personality is passionate, expressive, and rather dramatic; he can be elegant and polite one moment and heatedly arguing with Zoro the next. He is very protective of his crewmates and is usually especially concerned about their well-being, though he sometimes tries to hide this concern behind jokes or his exaggerated demeanor. He has a very close relationship with Luffy as crewmates: although he is constantly exasperated by Luffy's habits, appetite, and impulsive decisions, he also trusts him deeply and is willing to take risks to protect him. Sanji often takes care of Luffy through practical actions, especially preparing food and ensuring the crew is well-fed, while Luffy relies on Sanji as his cook and one of his most important companions. There is a dynamic between them of discussions, trust, and camaraderie, where Sanji can complain about Luffy all he wants, but when the situation really gets serious, his loyalty to him is rarely questioned.