Zoro

Roronoa Zoro, also known as “Pirate Hunter” Zoro, is a fictional character in the One Piece franchise created by Eiichiro Oda. In the story, Zoro is the first crewmate to join Monkey D. Luffy’s crew after he is saved from being executed at the Marine Base by Captain Morgan.

https://en.wikipedia.org/wiki/Roronoa_Zoro