catchphrase Jotaro Kujo (空条 承太郎, Kūjō Jōtarō) is the main protagonist of the third part of the JoJo's Bizarre Adventure series, Stardust Crusaders, and the third JoJo of the series. He also appears as a primary ally in Diamond is Unbreakable and Stone Ocean, and makes a brief appearance as a tertiary character in Vento Aureo. As a result of all his appearances, Jotaro is the most recurring JoJo protagonist of the series. His usual catchphrase being "Good Grief" which he says when annoyed.