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John Wisniski Jr.

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.

Born

Sep 20, 1951

Seattle, Washington, USA

Known For

Acting

Movies

104 acting

0 crew

Popularity

1.4

Hulkamania 1
Hulkamania 1
1985 • as Greg Valentine
Macho Madness
Macho Madness
1988 • as Greg "The Hammer" Valentine
WCW WrestleWar 1992
WCW WrestleWar 1992
1992 • as Greg "The Hammer" Valentine
★ 6.0
Inside the Steel Cage
Inside the Steel Cage
1986 • as Greg "The Hammer" Valentine
Headstrong
Headstrong
2019 • as Self
★ 6.0
WWE Hottest Matches
WWE Hottest Matches
1990 • as Greg "The Hammer" Valentine
WWE Funniest Moments
WWE Funniest Moments
1991 • as Greg "The Hammer" Valentine
WWE WrestleFest '91
WWE WrestleFest '91
1991 • as Greg "The Hammer" Valentine
WWE SuperTape: Volume 5
WWE SuperTape: Volume 5
1992 • as Greg "The Hammer" Valentine
The Ultimate Warrior
The Ultimate Warrior
1989 • as Greg "The Hammer" Valentine
NWA The Final Conflict
NWA The Final Conflict
1983 • as Greg Valentine
Brutus "The Barber" Beefcake
Brutus "The Barber" Beefcake
1988 • as Greg "The Hammer" Valentine
Tag Team Champions
Tag Team Champions
1986 • as Greg Valentine
WWE Survivor Series 1989
WWE Survivor Series 1989
1989 • as Greg "The Hammer" Valentine
★ 7.8
WWE Royal Rumble 1990
WWE Royal Rumble 1990
1990 • as Greg "The Hammer" Valentine
★ 6.1
WWE Survivor Series 1990
WWE Survivor Series 1990
1990 • as Greg "The Hammer" Valentine
★ 7.7
WWE Survivor Series 1987
WWE Survivor Series 1987
1987 • as Greg Valentine
★ 8.4
WWE Survivor Series 1993
WWE Survivor Series 1993
1993 • as The Blue Knight
★ 6.2
WWE Royal Rumble 1991
WWE Royal Rumble 1991
1991 • as Greg "The Hammer" Valentine
★ 7.1
WWE Survivor Series 1988
WWE Survivor Series 1988
1988 • as Greg "The Hammer" Valentine
★ 8.0
WWE: The U.S. Championship: A Legacy of Greatness
WWE: The U.S. Championship: A Legacy of Greatness
2016 • as Greg 'The Hammer' Valentine (archive footage)
★ 9.2
WWE Royal Rumble 1989
WWE Royal Rumble 1989
1989 • as Greg "The Hammer" Valentine
★ 5.8
WWE Royal Rumble 1994
WWE Royal Rumble 1994
1994 • as Greg "The Hammer" Valentine
★ 6.9
WrestleMania II
WrestleMania II
1986 • as Greg "The Hammer" Valentine
★ 6.4
WWE SuperTape: Volume 2
WWE SuperTape: Volume 2
1990 • as Greg "The Hammer" Valentine
WWE Royal Rumble 1992
WWE Royal Rumble 1992
1992 • as Greg "The Hammer" Valentine
★ 6.9
WWE WrestleMania III
WWE WrestleMania III
1987 • as Greg "The Hammer" Valentine
★ 7.4
WWE U.K. Rampage 1991
WWE U.K. Rampage 1991
1991 • as Greg "The Hammer" Valentine
★ 6.0
WWE WrestleMania IV
WWE WrestleMania IV
1988 • as Greg "The Hammer" Valentine
★ 7.2
Chris Jericho's 30th Anniversary Celebration
Chris Jericho's 30th Anniversary Celebration
2020 • as Greg "The Hammer" Valentine
★ 7.7
movie
WWE Maple Leaf Wrestling: October '84
1984 • as Greg "The Hammer" Valentine
WWE SummerSlam 1991
WWE SummerSlam 1991
1991 • as Greg "The Hammer" Valentine
★ 7.7
WWE Grudge Match
WWE Grudge Match
1986 • as Greg "The Hammer" Valentine
Wrestling's Most Embarrassing Moments
Wrestling's Most Embarrassing Moments
1987 • as Greg "The Hammer" Valentine
★ 10.0
WrestleMania
WrestleMania
1985 • as Greg "The Hammer" Valentine
★ 6.6
WWE WrestleMania V
WWE WrestleMania V
1989 • as Greg "The Hammer" Valentine
★ 7.3
The Best of the WWF: volume 5
The Best of the WWF: volume 5
1986 • as Greg "The Hammer" Valentine
Bob Uecker's Wacky World of Sports
Bob Uecker's Wacky World of Sports
1987 • as Greg "The Hammer" Valentine
The WWF's Amazing Managers
The WWF's Amazing Managers
1985 • as Greg 'The Hammer' Valentine
WCW Clash of The Champions XX: 20th Anniversary
WCW Clash of The Champions XX: 20th Anniversary
1992 • as Greg "The Hammer" Valentine
movie
WWE Maple Leaf Wrestling: July '88
1988 • as Greg "The Hammer" Valentine
WWE The Brawl to End it All
WWE The Brawl to End it All
1984 • as Greg "The Hammer" Valentine
★ 10.0
WCW World War 3 1997
WCW World War 3 1997
1997 • as Greg "The Hammer" Valentine
★ 7.5
WWE Hall of Fame 2004
WWE Hall of Fame 2004
2004 • as Self
★ 8.2
Ricky "The Dragon" Steamboat
Ricky "The Dragon" Steamboat
1986 • as Greg "The Hammer" Valentine
★ 10.0
WWE The Big Event
WWE The Big Event
1986 • as Greg "The Hammer" Valentine
★ 8.0
The Best of the WWF: volume 20
The Best of the WWF: volume 20
1989 • as Greg "The Hammer" Valentine
WWE WrestleMania VII
WWE WrestleMania VII
1991 • as Greg "The Hammer" Valentine
★ 7.3
movie
WWE Los Angeles Wrestling: January '89
1989 • as Greg "The Hammer" Valentine
WWE Rampage '91
WWE Rampage '91
1991 • as Greg "The Hammer" Valentine
movie
WWE Maple Leaf Wrestling: April '89
1989 • as Greg "The Hammer" Valentine
Demolition: Witness the Power
Demolition: Witness the Power
1989 • as Greg "The Hammer" Valentine
WCW Beach Blast
WCW Beach Blast
1992 • as Greg "The Hammer" Valentine
★ 8.0
movie
WWE Houston Wrestling: December '87
1987 • as Greg "The Hammer" Valentine
The Best of the WWF: volume 14
The Best of the WWF: volume 14
1987 • as Greg "The Hammer" Valentine
movie
WWE Maple Leaf Wrestling: October '85
1985 • as Greg "The Hammer" Valentine
movie
WWE Wrestling at The Meadowlands: May '89
1989 • as Greg "The Hammer" Valentine
The Best of the WWF: volume 10
The Best of the WWF: volume 10
1987 • as Greg "The Hammer" Valentine
Most Unusual Matches
Most Unusual Matches
1985 • as Greg "The Hammer" Valentine
★ 9.0
movie
WWE Maple Leaf Wrestling: April '88
1988 • as Greg "The Hammer" Valentine
The Best of the WWF: volume 7
The Best of the WWF: volume 7
1986 • as Greg "The Hammer" Valentine
The Best of the WWF: volume 4
The Best of the WWF: volume 4
1985 • as Greg "The Hammer" Valentine
movie
WWE Maple Leaf Wrestling: September '85
1985 • as Greg "The Hammer" Valentine
movie
WWE U.K. Rampage 1988
1988 • as Greg "The Hammer" Valentine
NWA Starrcade 1983
NWA Starrcade 1983
1983 • as Greg "The Hammer" Valentine
★ 7.3
Battle of the WWE Superstars
Battle of the WWE Superstars
1990 • as Greg Valentine
The Best of the WWF: volume 9
The Best of the WWF: volume 9
1986 • as Greg "The Hammer" Valentine
movie
WWE Wrestling at The Meadowlands: January '87
1987 • as Greg "The Hammer" Valentine
movie
WWE Maple Leaf Wrestling: December '85
1985 • as Greg "The Hammer" Valentine
movie
WWE Maple Leaf Wrestling: September '84
1984 • as Greg "The Hammer" Valentine
movie
WWE Los Angeles Wrestling: December '88
1988 • as Greg "The Hammer" Valentine
The Best of the WWF: volume 16 Around the World
The Best of the WWF: volume 16 Around the World
1988 • as Greg "The Hammer" Valentine
WWE Mega Matches
WWE Mega Matches
1991 • as Greg "The Hammer" Valentine
WWE SummerSlam 1989
WWE SummerSlam 1989
1989 • as Greg Valentine
★ 6.7
movie
WWE Houston Wrestling: October '86
1986 • as Greg "The Hammer" Valentine
movie
WWE Wrestling at The Meadowlands: September '88
1988 • as Greg "The Hammer" Valentine
movie
WWE Maple Leaf Wrestling: April '85
1985 • as Greg "The Hammer" Valentine
movie
WWE Houston Wrestling: October '87
1987 • as Greg "The Hammer" Valentine
The Best of the WWF: volume 11
The Best of the WWF: volume 11
1987 • as Greg "The Hammer" Valentine
movie
NWA The Race to Starrcade
1983 • as Greg Valentine
movie
WWE Maple Leaf Wrestling: June '87
1987 • as Greg "The Hammer" Valentine
movie
NWA Sam Muchnick Retirement Show
1982 • as Greg Valentine
350 Days
350 Days
2019 • as Self
★ 5.1
Midnight Massacre
Midnight Massacre
2025 • as Caepio
movie
WWE Maple Leaf Wrestling: January '87
1987 • as Greg "The Hammer" Valentine
The British Bulldogs
The British Bulldogs
1986 • as Greg Valentine
★ 4.0
The Immortal Hulk Hogan
The Immortal Hulk Hogan
1992 • as Greg Valentine
movie
★ 10.0
Heroes of Wrestling
Heroes of Wrestling
1999 • as Greg "The Hammer" Valentine
★ 1.0
movie
NWA Boogie Jam
NWA Boogie Jam
1984 • as Greg Valentine
Wrestling Superheroes
Wrestling Superheroes
1990 • as Greg "The Hammer" Valentine
Fan Favorites
Fan Favorites
1989 • as Greg Valentine