Little is known about Pryor Cashman except that he is extremely dangerous. His past exploits remain classified, but he was at Norman Osborn
's side when a Goblin cult arranged his escape from the Special Containment Center, an underwater supermax prison. Cashman aided in escalating the violence between inmates during the riot, driving many of them to madness by convincing them the only way to be freed was by killing each other. Once out in the real world again, Cashman made his way to a beach and surrounded himself with several young and impressionable minds.