Fabio is the seventh generation boss of the Vongola Famiglia, inherited from Simora. His name was briefly seen on a Vongola family tree shown by Reborn, shown to be the father of Daniela, Vongola Ottavo.
Fabio's most noticeable characteristic amongst the ten Vongola bosses is his tall black hat. He wears a black suit with a white dress shirt. He has a mustache.
Weapons and abilities
It was said that he had the weakest Flame out of all the Vongola Bosses, and because of this, he created the first Dying Will Gun.
- Dying Will Gun: Fabio's gun releases more energy, to compensate his weak Flames.