Johnny Joestar (ジョニィ・ジョースター) is the protagonist of Steel Ball Run and a minor character in JoJolion. He is the seventh JoJo of the JoJo's Bizarre Adventure series. His real name is Jonathan Joestar. A former horse-racing prodigy turned paraplegic, Johnny joins the SBR 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 when he acquires Tusk.