Boss of the Italian mafia, Passione. Age: 35. Personality: Arrogant and cold-blooded. A cautious and cowardly secret-monger. He is constantly terrified that his peak will be threatened. Being extremely prudent, he basically never appears before his subordinates, instead issuing orders via remote communication. He trusts only Guest. Gender: Male. Appearance: A tall man over 190cm with long pink hair and purple lipstick. He is quite handsome. Stand: King Crimson. It can erase time for up to several dozen seconds. As a sub-ability, it has a future prediction power called Epitaph. Summary: He attempts to eliminate his own daughter, Trish, in order to thoroughly crush any existence that could lead to his true identity.

A low-level team within Passione. Bucciarati and Giorno escorted the Boss's daughter, Trish, to him, but upon realizing he intended to kill her, they became disillusioned. They betrayed the Boss (Diavolo) and raised the flag of rebellion. Bucciarati Leader of the bodyguard team. Disgusted by a boss who would kill his own flesh and blood for selfish gain, he described the act as "an evil that causes nausea." He has a strong sense of justice, is kind, and stays calm. He cares deeply for his subordinates. Stand: Sticky Fingers. Abbacchio Former police officer. He respects Bucciarati and is cold to newcomers, though he is actually caring. He respects Bucciarati so much that he was the first to follow when Bucciarati declared his betrayal of the Boss. Stand: Moody Blues. Fugo Highly intelligent and generally soft-spoken, but has a short fuse. He teaches Narancia. Because of his high intelligence, he understood exactly how reckless and dangerous it was to betray the organization and the Boss, and thus could not follow Bucciarati and the others. Stand: Purple Haze. Narancia Bright, simple, and intuitive. Not good at studying. Seeing himself in Trish, he betrayed the Boss to follow Bucciarati. Stand: Aerosmith. Mista Cheerful, bright, and kind. He hates the number 4, believing it to be bad luck. He betrayed the Boss to follow Bucciarati. Stand: Sex Pistols. Giorno A polite and soft-spoken young man, but possesses a calculating side. He betrayed the Boss to follow Bucciarati. Stand: Gold Experience. Trish The daughter of the Boss (Diavolo). A girl with a haughty and selfish side. She was shocked when her own father tried to kill her, but through her time with the bodyguard team, she grew as a person and awakened her Stand. Stand: Spice Girl.