Blackjack Mulligan (Nov 25, 1942 - Apr 07, 2016) was an American professional wrestler. He was currently a freelancer. His real name was Robert Deroy Windham. Mulligan's height was 6' 6" and he weighed 345 lbs. He was born in
Sweetwater, Texas, United States on 25 Nov 1942. His nickname was Big. Mulligan's signatures moves were Clawhold. He has wrestled under the ringnames Jack Mulligan, Blackjack Mulligan Sr., Big Machine, Bob Windham, Texan, Mr. Texas.