Diavolo is the main antagonist of the fifth part of the JoJo's Bizarre Adventure series, titled Golden Wind (Vento Aureo). He is the mysterious and ruthless leader of the Passione mafia organization, seeking to maintain his anonymity and control over Italy's criminal underworld. Diavolo possesses the Stand King Crimson, which grants him the terrifying ability to erase moments of time and foresee future events. His complex personality, characterized by paranoia and a desire for absolute control, makes him a formidable and enigmatic foe for Giorno Giovanna and the other protagonists.