Johnny Joestar, born Jonathan Joestar  is the main protagonist of the seventh part of the JoJo's Bizarre Adventure series, Steel Ball Run, and the seventh JoJo of the series. He also appears in flashbacks in the eighth part, JoJolion.

A former jockey turned paraplegic, Johnny joins the Steel Ball Run race to find out the secret behind Gyro Zeppeli's Steel Balls as they're the only thing capable of healing his legs. Over the course of the race, Johnny becomes both a Spin user and a Stand user 