The Sheriff is the original leader of the A.A.H.W. He also has ties with Project Nexus and MERC. He served as one of the two main antagonists of Madness Combat 2 and 3 along with his right-hand-man and bodyguard, Jesus.
History
Madness WhiteHank Zero: The Mulligan
The Sheriff appears as the final antagonist and White Hank's target. He is pursued by her at the end of the episode.