Roronoa Zoro,[20] also known as "Pirate Hunter" Zoro,[9] 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 of his crew's captain Monkey D. Luffy. Born in the East Blue, Zoro is the son of Tera and Roronoa Arashi, the grandson of Shimotsuki Furiko and Roronoa Pinzoro, and the grandnephew of Shimotsuki Ushimaru.