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 Heavyweight Championship and the WWE Intercontinental Championship. An alumnus of WWE and World Championship Wrestling, he was inducted to the WWE Hall of Fame in 2004.
Gender: Male
Born On: 20-Sep-1951
Last Info Sync: 1/15/2023 6:22:00 AM
John Wisniski Jr.'s Filmography on TV
List of programs starring John Wisniski Jr. on tv. Programs are sorted in order of last seen on tv. Last updated: Sep 8, 2025 9:54 PM
Behind The Ropes (2015)
Behind the Ropes: The Greatest Fraternity in the World is a documentary about that sense of fraternity and brotherhood in the world of professional wrestling.