Tony Tony Chopper , otherwise known as "Cotton Candy Lover", is a fictional character in the manga series and media franchise One Piece created by Eiichiro Oda. The character made his first appearance in the 134th chapter of the series, which was first published in Japan in Shueisha's Weekly Shōnen Jump magazine on May 8, 2000. He is the sixth member of the Straw Hat Pirates and the fifth to join, serving as their doctor. Chopper is frequently featured on official merchandise, serving as a mascot for the series.