John Wisniski Jr.
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.
78
Films
19
TV Shows
Known For
97 Credits
Raw
as Greg "The Hammer" Valentine
1993
All Elite Wrestling: Dynamite
as Greg Valentine
2019
WWF Wrestling Challenge
as Greg Valentine
1986
WWF Wrestling Challenge
as Greg "The Hammer" Valentine
1986
Saturday Night's Main Event
as Greg Valentine
1985
Saturday Night's Main Event
1985
Saturday Night's Main Event
as Greg "The Hammer" Valentine
1985
WWE Old School
as Greg Valentine
1973
WWE Old School
as Greg "The Hammer" Valentine
1973
Biography: WWE Legends
as Greg "The Hammer" Valentine
2021
Tuesday Night Titans
as Greg "The Hammer" Valentine
1984
Tuesday Night Titans
as Greg Valentine
1984