Diavolo is the main antagonist in JoJo’s Bizarre Adventure: Vento Aureo.

As the discoverer of the Arrows, Diavolo is responsible for the proliferation of Stand Users in the world. Living an extremely secretive life as a nonperson, he is the “Boss” of the gang Passione, which corrupts Naples by dealing drugs in the streets, making him Giorno Giovanna and Bruno Buccellati’s superior and greatest enemy.