Shelby Fredrick "Sheb" Wooley (April 10, 1921 Erick, Oklahoma, USA – September 16, 2003 Nashville, Tennessee, USA) was an American actor and singer, best known for his 1958 novelty song "The Purple People Eater." He played Ben Miller, brother of Frank Miller, in the film High Noon; played Travis Cobb in The Outlaw Josey Wales; and also had a co-starring role as scout Pete Nolan in the television series Rawhide. Additionally, Wooley recorded a series of novelty songs under the name Ben Colder, notably a #6 country hit "Almost Persuaded No. 2".
Wooley is also credited as the voice actor who produced the Wilhelm scream sound effect.