The brutal cyborg ruler of the Forbidden Zone on Terra 11. A former doctor who abandoned his plague cure mission, he now enslaves prisoners, uses the women as sources of life energy, and commands marauders called Zoners.
OverDog's forces are directly responsible for Chalmers' death.
Both characters share a tragic past as failed doctors turned enemies.
Washington directly confronts OverDog's forces during the climax.
OverDog is the primary antagonist whom Wolff must defeat to complete his mission.