He is known as the “Dark king”, he is an extremely powerful and famous retired pirate who formerly served as the first mate of the legendary Roger Pirates, being known as the “Right Hand of the Pirate King”, he was shown to have impatient with the antics of the younger crew members and took the position of the crew disciplinarian very seriously
He is typically open and talkative, he is also light-hearted, casual, and a fun loving guy, he is pretty strong and he likes to gamble

Calm,Impatient,fun,lighthearted

Zoro is a muscular man of average height with lightly tanned skin. He always carries his three swords along with him, bundled up with a green haramaki over his right hip, allowing him to easily draw them with his left hand. Of the three swords he has on his person, he has always been seen carrying the Wado Ichimonji, while his other two swords have varied over time due to them being destroyed and subsequently replaced with progressively better ones. Although his right hand is usually seen restin

Stern, serious, distanced personality, dumb

Roronoa Zoro, also known as "Pirate Hunter" Zoro, is the combatant of the Straw Hat Pirates, one of their two swordsmen, one of the Senior Officers of the Straw Hat Grand Fleet, and is publicly recognized as the right-hand man 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.

As a master of Three Sword Style, a swordsmanship style which he created during his childhood training