The performer, who rose to fame as the Razor Ramon, was one of the industry's biggest names in the 1990s.
WWE Hall of Famer Scott Hall, a key figure in the massive development of pro wrestling in the 1980s and '90s, was hospitalized on Monday and on life support, according to industry executives familiar with the situation.
Hall, 63, is best known for playing campy Cuban bad man Razor Ramon. He was part of the pro wrestling revolution of the 1990s, when he and other famous actors including Hulk Hogan, Ted Turner's World Championship Wrestling (WCW) upstart from Vince McMahon's World Wrestling Federation (WWF), now World Wrestling Entertainment (WWE) Jumped in, shaking the industry to its core.
Hall's tag-team partner Kevin Nash said he "loves Scott with all his heart" and was prepared for the worst.
"My life was enriched by his life," Nash wrote on Instagram on Monday morning, alongside a photo of his wrestling partner. "He was not perfect, but as he always said 'the last perfect man to walk the planet he nailed a cross.' ,
News of Hall's ill health quickly spread through the tight circles of pro wrestling.
"Scott Hall pulling for you my friend," tweeted Dwayne "The Rock" Johnson. "Stay strong! We need the 'bad guy' back in the game."