Roronoa Zoro, also known as "Pirate Hunter" Zoro, is the combatant of the Straw Hat Pirates, and one of their two swordsmen. Formerly a bounty hunter, he is the second member of the crew and the first to join,
As a master of Santoryu, a swordsmanship style which he created during his childhood training in Shimotsuki Village, Zoro is among the four most powerful combatants of the Straw Hats, alongside Luffy, Sanji and Jinbe.