Stronger is Doc Q's horse who carries him around but he is just as sick as his owner.
Stronger is an antagonist in the One Piece series that was created by Eiichiro Oda. The series first began serialization in Shueisha's Weekly Shōnen Jump on August 4, 1997. He first appeared during the Jaya Arc that began in Volume 24.
His first appearance was in One Piece Volume 24 CH. 223 "I Promise Not to Fight Within This Town", and his first anime appearance was in One Piece - Episode 146 "Quit Dreaming! Mock Town, the Town Of Ridicule!". This character has no voice actor credited.