Roronoa Zoro ( ロロノア・ゾロ ) is character from an anime/manga called One Piece. Roronoa Zoro, also known as "Pirate Hunter" Zoro, is a main combatant of the Straw Hat Pirates, one of their two swordsmen and is publicly recognized as the right-hand man of his crew's captain Monkey D. Luffy. He is 21 years old.