John Wisniski Jr.
September 20, 1951 · 74 years old
John Wisniski, Jr. is an American professional wrestler, better known as Greg "The Hammer" Valentine. He is the son of wrestler Johnny Valentine. In the course of his career, which has spanned over four decades, Valentine has held more than 40 championships, including the NWA United States Heavyweig…
Known For
2 titles
WrestleMania 2
Emanating from New York, Los Angeles, and Chicago, WrestleMania 2 features Hulk Hogan defending the WWF Championship against King Kong Bundy inside a steel cage. Mr. T battles "Rowdy" Roddy Piper in a Boxing Match. The British Bul...
WrestleMania IV
Fourth WrestleMania taking place on March 27th, 1988 at the Boardwalk Hall in Atlantic City. The main event features a 14-man single-elimination tournament with Randy Savage battling the Ted DiBiase as last men standing.