This sound is from Luffy Soundboard

Monkey D. Luffy (LOO-fee) is the main protagonist of the One Piece manga series, created by Eiichiro Oda. He is the grandson of Monkey D. Garp, who is the leader of the Revolutionary Army; and sworn brother of Portgas D. Ace and Sabo.
See also: Roronoa Zoro, List of One Piece characters, Sanji (One Piece), Nami (One Piece), List of One Piece films, and One Piece (season 18).