The Scourge of the Underworld
The Scourge of the Underworld was a series of killers who preyed on costumed super-villains. Using disguise and subterfuge to get close to his victims, The Scourge would shoot them at close range with his trademark cry, "Justice is served!". A long list of super-villains are victims of the Scourge - mostly the incompetent and silly ones.