Skulls (City of Heroes)

Skulls are a gang in City of Heroes that are midway between a street-gang and a death-cult, members tend to be nihilistic and misanthropic with an obsession with death and destruction: higher-ups in the gang also harness necromantic powers and the general belief of many Skulls is that by embracing the concepts of death they can gain mastery over it.

They often fight against rival gangs such as the Hellions and are one of the more common and easily dealt with threats for low-level heroes or villains, though some of their leaders can prove to be a little more difficult (the Bone Daddys can be especially nasty if you go in unprepared).