| Blackjack Mulligan | |
|---|---|
 Mulligan, circa 1979 | |
| Birth name | Robert Deroy Windham |
| Born | November 25, 1942 Sweetwater, Texas, U.S. |
| Died | April 7, 2016 (aged 73) Tampa, Florida, U.S. |
| Alma mater | Texas Western College |
| Spouse(s) | Julia Windham[1] |
| Children | 3, including Barry Windham and Kendall Windham |
| Family | Mike Rotunda (son-in-law) Bo Dallas (grandson) Bray Wyatt (grandson) |
| Professional wrestling career | |
| Ring name(s) | Big Bob Windham Big Machine Blackjack Mulligan The Texan |
| Billed height | 6 ft 9 in (206 cm)[2] |
| Billed weight | 300 lb (136 kg)[2] |
| Billed from | Eagle Pass, Texas, U.S. El Paso, Texas U.S. (1982) |
| Trained by | Verne Gagne |
| Debut | 1967 |
| Retired | May 23, 1993 |
| Military service | |
| Allegiance |  United States |
| Service |  Marine Corps |
Robert Deroy Windham (November 25, 1942 – April 7, 2016), better known by his ring name Blackjack Mulligan, was an American professional wrestler and American football player. He was the father of wrestlers Barry and Kendall Windham, father-in-law of Mike Rotunda, and the maternal grandfather of Bo Dallas and Bray Wyatt.