Roronoa Zoro, commonly known as Zoro, is one of the main characters in the popular manga and anime series "One Piece" created by Eiichiro Oda. He is a swordsman and a member of the Straw Hat Pirates, serving as the crew's combatant.

Zoro is characterized by his serious demeanor, strong sense of loyalty, and exceptional swordsmanship skills. He wields three swords, practicing a unique sword-fighting style known as Santoryu (Three Sword Style).

Throughout the series, Zoro seeks to become the world's greatest swordsman and supports his captain, Monkey D. Luffy, on their journey to find the legendary treasure known as One Piece.