Former pro wrestling icon "Rowdy" Roddy Piper died Thursday night in his sleep from natural causes, according to the Hollywood Reporter. He was 61. Piper was one of the most popular wrestler from the 1980s, along with other stars of the World Wrestling Foundation like Hulk Hogan, Andre the Giant and Randy "Macho Man" Savage. In the scripted world of pro wrestling, he was cast as a heel for much of his career.