Johnny Joestar, born Jonathan Joestar is the main protagonist of Steel Ball Run from the JoJo's Bizarre Adventure series. His nickname is 'JoJo'. He is 22 years old. He is a former jockey whose career was ruined when he became a paraplegic. Johnny suffers from depression and a subsequent lack of confidence.  Always wear a knitted hat, which is printed with five-pointed stars, pants with similar star prints, usually wears a light-colored hooded short-sleeved top.