John Wisniski Jr.
Acting
Biography
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.
Raw
1993
Greg "The Hammer" Valentine
Undertaker: The Last Ride
2020
Greg Valentine (archive footage)
All Elite Wrestling: Dynamite
2019
Greg Valentine
WrestleMania
1985
Greg "The Hammer" Valentine
Saturday Night's Main Event
1985
Greg Valentine
Saturday Night's Main Event
1985
Saturday Night's Main Event
1985
Greg "The Hammer" Valentine
WWE WrestleMania III
1987
Greg "The Hammer" Valentine
WrestleMania II
1986
Greg "The Hammer" Valentine
WWE WrestleMania V
1989
Greg "The Hammer" Valentine
WWE WrestleMania IV
1988
Greg "The Hammer" Valentine
WWE WrestleMania VII
1991
Greg "The Hammer" Valentine
WWE Royal Rumble 1992
1992
Greg "The Hammer" Valentine
WWE Survivor Series 1987
1987
Greg Valentine
WWE Royal Rumble 1994
1994
Greg "The Hammer" Valentine
Biography: WWE Legends
2021
Greg "The Hammer" Valentine
WWE Survivor Series 1990
1990
Greg "The Hammer" Valentine
WWE Royal Rumble 1991
1991
Greg "The Hammer" Valentine
WWE Survivor Series 1988
1988
Greg "The Hammer" Valentine
350 Days
2019
Self