Roronoa Zoro, also known as "Pirate Hunter" Zoro, is a main combatant of the Straw Hat Pirates, one of their two swordsmen, one of the Senior Officers of the Straw Hat Grand Fleet. Formerly a bounty hunter, he is the second member of Luffy's crew and the first to join it. "Black Leg" Sanji, born as Vinsmoke Sanji, is the cook of the Straw Hat Pirates and one of the Senior Officers of the Straw Hat Grand Fleet. He is the fifth member of the crew and the fourth to join.