John Wisniski Jr.

Sep 20, 1951 (73 years old) in Seattle, Washington, USA

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.

Known For

poster

All Elite Wrestling: Dynamite

Greg Valentine

poster

WWF Wrestling Challenge

Greg Valentine

poster

WWE Maple Leaf Wrestling: June '87

Greg "The Hammer" Valentine

poster

Biography: WWE Legends

Greg "The Hammer" Valentine

poster

Saturday Night's Main Event

Greg Valentine

poster

At What Cost? Anatomy of Professional Wrestling

Himself

poster

WWE: The U.S. Championship: A Legacy of Greatness

Greg 'The Hammer' Valentine (archive footage)

poster

WWE U.K. Rampage 1988

Greg "The Hammer" Valentine

poster

WrestleMania III

Greg 'The Hammer' Valentine

poster

WWE Survivor Series 1989

Greg "The Hammer" Valentine

Credits

WWE Maple Leaf Wrestling: December '85 Future

Greg "The Hammer" Valentine

★ NR
Midnight Massacre 2021

Caepio

★ NR
Biography: WWE Legends 2021

Greg "The Hammer" Valentine

★ 7.2
WWE's Most Wanted Treasures 2021

Greg "The Hammer" Valentine

★ 8.6
Chris Jericho's 30th Anniversary Celebration 2020

Greg "The Hammer" Valentine

★ 7
Undertaker: The Last Ride 2020

Greg Valentine (archive footage)

★ 7.4
All Elite Wrestling: Dynamite 2019

Greg Valentine

★ 8
350 Days 2019

Self

★ 5.4
WWE: The U.S. Championship: A Legacy of Greatness 2016

Greg 'The Hammer' Valentine (archive footage)

★ 9.2
Behind the Ropes: The Greatest Fraternity in the World 2015

Himself

★ NR
At What Cost? Anatomy of Professional Wrestling 2015

Himself

★ 10
WWE: 150 Best Pay-Per-View Matches, Vol 1 2014

Himself

★ 10
WWE: Starrcade - The Essential Collection 2012

Himself

★ NR
JCW Legends and Icons 2011

★ NR
Timeline: The History of WWE – 1985 – As Told By Greg Valentine 2011

Himself

★ NR
WWE: The History Of The Intercontinental Championship 2008

Himself

★ 7.3
WWE: The History Of The WWE Championship 2006

★ 10
World Wrestling Legends: 6:05 - The Reunion 2005

Greg Valentine

★ NR
WWE Hall of Fame 2004 2004

★ 8.5
Heroes of Wrestling 1999

Greg "The Hammer" Valentine

★ 1
WCW World War 3 1997 1997

Greg "The Hammer" Valentine

★ 7
AWF Warriors of Wrestling 1995

Greg "The Hammer" Valentine

★ NR
WWE Royal Rumble 1994 1994

Greg "The Hammer" Valentine

★ 6.9
WWE Survivor Series 1993 1993

The Blue Knight

★ 6.5
Raw 1993

Greg "The Hammer" Valentine

★ 6.8
The Immortal Hulk Hogan 1992

Greg Valentine

★ NR
WCW Clash of The Champions XX: 20th Anniversary 1992

Greg "The Hammer" Valentine

★ NR
WCW Beach Blast 1992

Greg "The Hammer" Valentine

★ NR
WCW Wrestle War: WarGames 1992

Greg "The Hammer" Valentine

★ NR
WWF SuperTape '92 1992

Greg "The Hammer" Valentine

★ NR
WWE Royal Rumble 1992 1992

Greg "The Hammer" Valentine

★ 6.8
WWE Rampage '91 1991

Greg "The Hammer" Valentine

★ NR
WWE SummerSlam 1991 1991

Greg "The Hammer" Valentine

★ 7.7
WWE WrestleFest '91 1991

Greg "The Hammer" Valentine

★ NR
WWE U.K. Rampage 1991 1991

Greg "The Hammer" Valentine

★ 6
WWE Mega Matches 1991

Greg "The Hammer" Valentine

★ NR
WWE WrestleMania VII 1991

Greg "The Hammer" Valentine

★ 7.4
WWE Superstars & Stripes Forever: The March to WrestleMania VII 1991

Greg "The Hammer" Valentine

★ NR
WWE Royal Rumble 1991 1991

Greg "The Hammer" Valentine

★ 7
WWE Survivor Series 1990 1990

Greg "The Hammer" Valentine

★ 8
WWF Hottest Matches 1990

Greg "The Hammer" Valentine

★ NR
Battle of the WWE Superstars 1990

Greg Valentine

★ NR
WWF SuperTape vol. 2 1990

Greg "The Hammer" Valentine

★ NR
WWF/AJPW/NJPW Wrestling Summit 1990

★ NR
WWE The Ultimate Challenge Special: The March to WrestleMania VI 1990

Greg "The Hammer" Valentine

★ NR
WWE Royal Rumble 1990 1990

Greg "The Hammer" Valentine

★ 6
WWE Survivor Series 1989 1989

Greg "The Hammer" Valentine

★ 7.7
WWE SummerSlam 1989 1989

Greg Valentine

★ 6.6
WWE Demolition 1989

Greg "The Hammer" Valentine

★ NR
Fan Favorites 1989

Greg Valentine

★ NR
The Best of the WWF: volume 20 1989

Greg "The Hammer" Valentine

★ NR
The Ultimate Warrior 1989

Greg "The Hammer" Valentine

★ NR
WWE Wrestling at The Meadowlands: May '89 1989

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: April '89 1989

Greg "The Hammer" Valentine

★ NR
WWE WrestleMania V 1989

Greg "The Hammer" Valentine

★ 7.3
WWE Los Angeles Wrestling: January '89 1989

Greg "The Hammer" Valentine

★ NR
WWE Royal Rumble 1989 1989

Greg "The Hammer" Valentine

★ 5.1
WWE Los Angeles Wrestling: December '88 1988

Greg "The Hammer" Valentine

★ NR
WWE Survivor Series 1988 1988

Greg "The Hammer" Valentine

★ 8.2
WWE U.K. Rampage 1988 1988

Greg "The Hammer" Valentine

★ NR
WWE Wrestling at The Meadowlands: September '88 1988

Greg "The Hammer" Valentine

★ NR
The Best of the WWF: volume 16 Around the World 1988

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: July '88 1988

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: April '88 1988

Greg "The Hammer" Valentine

★ NR
WWE WrestleMania IV 1988

Greg "The Hammer" Valentine

★ 7.4
WrestleMania IV 1988

Greg 'The Hammer' Valentine

★ NR
The Best of the WWF: volume 14 1987

Greg "The Hammer" Valentine

★ NR
WWE Houston Wrestling: December '87 1987

Greg "The Hammer" Valentine

★ NR
WWE Survivor Series 1987 1987

Greg Valentine

★ 8.5
WWE Houston Wrestling: October '87 1987

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: June '87 1987

Greg "The Hammer" Valentine

★ NR
The Best of the WWF: volume 11 1987

Greg "The Hammer" Valentine

★ NR
WWE WrestleMania III 1987

Greg "The Hammer" Valentine

★ 7.5
WrestleMania III 1987

Greg 'The Hammer' Valentine

★ 8.5
The Best of the WWF: volume 10 1987

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: January '87 1987

Greg "The Hammer" Valentine

★ NR
WWE Wrestling at The Meadowlands: January '87 1987

Greg "The Hammer" Valentine

★ NR
Bob Uecker's Wacky World of Sports 1987

Greg "The Hammer" Valentine

★ NR
WWE's Inside the Steel Cage 1986

Greg 'The Hammer' Valentine

★ NR
WWE Houston Wrestling: October '86 1986

Greg "The Hammer" Valentine

★ NR
The British Bulldogs 1986

Greg Valentine

★ 4
The Best of the WWF: volume 9 1986

Greg "The Hammer" Valentine

★ NR
WWF Wrestling Challenge 1986

Greg Valentine

★ 6.8
WWE The Big Event 1986

Greg "The Hammer" Valentine

★ 8
The Best of the WWF: volume 7 1986

Greg "The Hammer" Valentine

★ NR
Ricky "The Dragon" Steamboat 1986

Greg "The Hammer" Valentine

★ 10
WrestleMania II 1986

Greg "The Hammer" Valentine

★ 6.4
WrestleMania 2 1986

Greg 'The Hammer' Valentine

★ 8.7
Tag Team Champions 1986

Greg Valentine

★ NR
The Best of the WWF: volume 5 1986

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: October '85 1985

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: September '85 1985

Greg "The Hammer" Valentine

★ NR
The Best of the WWF: volume 4 1985

Greg "The Hammer" Valentine

★ NR
Saturday Night's Main Event 1985

Greg Valentine

★ 8.3
WWE Maple Leaf Wrestling: April '85 1985

Greg "The Hammer" Valentine

★ NR
WrestleMania 1985

Greg "The Hammer" Valentine

★ 6.7
The WWF's Most Unusual Matches 1985

Greg 'The Hammer' Valentine

★ NR
WWF Hulkamania 1 1985

Greg Valentine

★ NR
WWE Maple Leaf Wrestling: October '84 1984

Greg "The Hammer" Valentine

★ NR
WWE Maple Leaf Wrestling: September '84 1984

Greg "The Hammer" Valentine

★ NR
WWE The Brawl to End it All 1984

Greg "The Hammer" Valentine

★ 10
NWA Boogie Jam 1984

Greg Valentine

★ NR
NWA Starrcade 1983 1983

Greg "The Hammer" Valentine

★ 7
NWA The Race to Starrcade 1983

Greg Valentine

★ NR
NWA The Final Conflict 1983

Greg Valentine

★ NR
NWA Sam Muchnick Retirement Show 1982

Greg Valentine

★ NR
WWF All-Star Wrestling 1975

Greg Valentine

★ NR
WWE Old School 1973

Greg Valentine

★ NR