Thomas Steven Platz is an American retired professional bodybuilder. He was known for his leg development, which in his prime measured over 30 inches, earning him the nickname The Quadfather.Platz was part of Vince McMahon's short-lived World Bodybuilding Federation (WBF). He ambushed the closing ceremonies of Mr. Olympia 1990 to announce its formation, after attending the event with McMahon as representatives of Bodybuilding Lifestyles magazine.