Blackjack Mulligan
During his time in the WWWF, Windham became a villain called Blackjack Mulligan. Windham would later team with Jack Lanza which he formed the tag team, The Blackjacks with. He won the NWA American Tag Team Championship, NWA Texas Tag Team Championship, WWA World Tag Team Championship and the WWWF World Tag Team Championship during his time in The Blackjacks.