Inferno is mafia organization that plays a major role in Phantom ~Requiem for the Phantom~ anime.
Inferno is a secretive mafia organization in America led by Raymond McGwire and other high ranking Inferno members.
Inferno is in control of highly trained humans with advanced instincts known as phantoms created by the scythe master that allowed them take down all rival mafia organizations and take control of most of the area.
Scythe Master (defected)
Various inferno members