A young man of slim or medium build.He has light eyes and shoulder-length blond hair that curls up at the ends.Johnny always wears a knitted hat with lots of small five-pointed stars. His hair sticks out of the holes on both sides of the crown, having the shape of short horns.A depressed ex-jockey who clings to the hope of regaining the use of his legs.Joni Jostar is very good at riding.