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,[4] and is publicly recognized as the right-hand man and number two of his crew's captain Monkey D. Luffy. Formerly a bounty hunter, he is the second member of Luffy's crew and the first to join it, doing so in the Romance Dawn Arc.