John Wisniski Jr.

Born

September 20, 1951 (73 years old)

Known For

Acting

Place of Birth

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

6.8

Saturday Night's Main Event

Midnight Massacre

Caepio

0.0

2021

Biography: 'Rowdy' Roddy Piper

Self

7.7

2021

Biography: WWE Legends

Greg "The Hammer" Valentine · (1 episode)

7.2

2021

WWE's Most Wanted Treasures

Greg "The Hammer" Valentine · (2 episodes)

8.6

2021

Chris Jericho's 30th Anniversary Celebration

Greg "The Hammer" Valentine

7.0

2020

All Elite Wrestling: Dynamite

Greg Valentine · (1 episode)

8.0

2019

350 Days

Self

5.4

2019

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

Greg 'The Hammer' Valentine (archive footage)

9.2

2016

Behind the Ropes: The Greatest Fraternity in the World

Himself

0.0

2015

At What Cost? Anatomy of Professional Wrestling

Himself

10.0

2015

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

Himself

10.0

2014

WWE: Starrcade - The Essential Collection

Himself

0.0

2012

JCW Legends and Icons

0.0

2011

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

Himself

0.0

2011

WWE: The History Of The Intercontinental Championship

Himself

7.3

2008

WWE: The History Of The WWE Championship

10.0

2006

World Wrestling Legends: 6:05 - The Reunion

Greg Valentine

0.0

2005

WWE Hall of Fame 2004

8.5

2004

Heroes of Wrestling

Greg "The Hammer" Valentine

1.0

1999

WCW World War 3 1997

Greg "The Hammer" Valentine

7.0

1997

AWF Warriors of Wrestling

Greg "The Hammer" Valentine · (3 episodes)

0.0

1995

WWE Royal Rumble 1994

Greg "The Hammer" Valentine

6.9

1994

WWE Survivor Series 1993

The Blue Knight

6.7

1993

Raw

Greg "The Hammer" Valentine · (1 episode)

6.8

1993

WCW Clash of The Champions XX: 20th Anniversary

Greg "The Hammer" Valentine

0.0

1992

WCW Beach Blast

Greg "The Hammer" Valentine

0.0

1992

WCW Wrestle War: WarGames

Greg "The Hammer" Valentine

0.0

1992

WWF SuperTape '92

Greg "The Hammer" Valentine

0.0

1992

WWE Royal Rumble 1992

Greg "The Hammer" Valentine

6.8

1992

WWE Rampage '91

Greg "The Hammer" Valentine

0.0

1991

WWE SummerSlam 1991

Greg "The Hammer" Valentine

7.8

1991

WWE WrestleFest '91

Greg "The Hammer" Valentine

0.0

1991

WWE U.K. Rampage 1991

Greg "The Hammer" Valentine

6.0

1991

WWE Mega Matches

Greg "The Hammer" Valentine

0.0

1991

WWE WrestleMania VII

Greg "The Hammer" Valentine

7.5

1991

WWE Superstars & Stripes Forever: The March to WrestleMania VII

Greg "The Hammer" Valentine

0.0

1991

WWE Royal Rumble 1991

Greg "The Hammer" Valentine

7.0

1991

WWE Survivor Series 1990

Greg "The Hammer" Valentine

8.2

1990

WWF Hottest Matches

Greg "The Hammer" Valentine

0.0

1990

Battle of the WWE Superstars

Greg Valentine

0.0

1990

WWF SuperTape vol. 2

Greg "The Hammer" Valentine

0.0

1990

WWF/AJPW/NJPW Wrestling Summit

0.0

1990

WWE The Ultimate Challenge Special: The March to WrestleMania VI

Greg "The Hammer" Valentine

0.0

1990

WWE Royal Rumble 1990

Greg "The Hammer" Valentine

5.9

1990

WWE Survivor Series 1989

Greg "The Hammer" Valentine

7.9

1989

WWE SummerSlam 1989

Greg Valentine

6.6

1989

WWE Demolition

Greg "The Hammer" Valentine

0.0

1989

Fan Favorites

Greg Valentine

0.0

1989

The Best of the WWF: volume 20

Greg "The Hammer" Valentine

0.0

1989

The Ultimate Warrior

Greg "The Hammer" Valentine

0.0

1989

WWE Wrestling at The Meadowlands: May '89

Greg "The Hammer" Valentine

0.0

1989

WWE Maple Leaf Wrestling: April '89

Greg "The Hammer" Valentine

0.0

1989

WWE WrestleMania V

Greg "The Hammer" Valentine

7.3

1989

WWE Los Angeles Wrestling: January '89

Greg "The Hammer" Valentine

0.0

1989

WWE Royal Rumble 1989

Greg "The Hammer" Valentine

5.0

1989

WWE Los Angeles Wrestling: December '88

Greg "The Hammer" Valentine

0.0

1988

WWE Survivor Series 1988

Greg "The Hammer" Valentine

8.5

1988

WWE U.K. Rampage 1988

Greg "The Hammer" Valentine

0.0

1988

WWE Wrestling at The Meadowlands: September '88

Greg "The Hammer" Valentine

0.0

1988

The Best of the WWF: volume 16 Around the World

Greg "The Hammer" Valentine

0.0

1988

WWE Maple Leaf Wrestling: July '88

Greg "The Hammer" Valentine

0.0

1988

WWE Maple Leaf Wrestling: April '88

Greg "The Hammer" Valentine

0.0

1988

WWE WrestleMania IV

Greg "The Hammer" Valentine

7.4

1988

The Best of the WWF: volume 14

Greg "The Hammer" Valentine

0.0

1987

WWE Houston Wrestling: December '87

Greg "The Hammer" Valentine

0.0

1987

WWE Survivor Series 1987

Greg Valentine

8.9

1987

WWE Houston Wrestling: October '87

Greg "The Hammer" Valentine

0.0

1987

WWE Maple Leaf Wrestling: June '87

Greg "The Hammer" Valentine

0.0

1987

The Best of the WWF: volume 11

Greg "The Hammer" Valentine

0.0

1987

WWE WrestleMania III

Greg "The Hammer" Valentine

7.5

1987

The Best of the WWF: volume 10

Greg "The Hammer" Valentine

0.0

1987

WWE Maple Leaf Wrestling: January '87

Greg "The Hammer" Valentine

0.0

1987

WWE Wrestling at The Meadowlands: January '87

Greg "The Hammer" Valentine

0.0

1987

Bob Uecker's Wacky World of Sports

Greg "The Hammer" Valentine

0.0

1987

WWE's Inside the Steel Cage

Greg 'The Hammer' Valentine

0.0

1986

WWE Houston Wrestling: October '86

Greg "The Hammer" Valentine

0.0

1986

The British Bulldogs

Greg Valentine

4.0

1986

The Best of the WWF: volume 9

Greg "The Hammer" Valentine

0.0

1986

WWF Wrestling Challenge

Greg Valentine · (69 episodes)

6.8

1986

WWF Wrestling Challenge

Greg "The Hammer" Valentine · (1 episode)

6.8

1986

WWE The Big Event

Greg "The Hammer" Valentine

8.0

1986

The Best of the WWF: volume 7

Greg "The Hammer" Valentine

0.0

1986

Ricky "The Dragon" Steamboat

Greg "The Hammer" Valentine

10.0

1986

WrestleMania II

Greg "The Hammer" Valentine

6.4

1986

Tag Team Champions

Greg Valentine

0.0

1986

The Best of the WWF: volume 5

Greg "The Hammer" Valentine

0.0

1986

WWE Maple Leaf Wrestling: October '85

Greg "The Hammer" Valentine

0.0

1985

WWE Maple Leaf Wrestling: September '85

Greg "The Hammer" Valentine

0.0

1985

The Best of the WWF: volume 4

Greg "The Hammer" Valentine

0.0

1985

Saturday Night's Main Event

Greg Valentine · (1 episode)

8.2

1985

Saturday Night's Main Event

(10 episodes)

8.2

1985

WWE Maple Leaf Wrestling: April '85

Greg "The Hammer" Valentine

0.0

1985

WrestleMania

Greg "The Hammer" Valentine

6.6

1985

The WWF's Most Unusual Matches

Greg 'The Hammer' Valentine

0.0

1985

WWF Hulkamania 1

Greg Valentine

0.0

1985

WWE Maple Leaf Wrestling: October '84

Greg "The Hammer" Valentine

0.0

1984

WWE Maple Leaf Wrestling: September '84

Greg "The Hammer" Valentine

0.0

1984

WWE Maple Leaf Wrestling: December '85

Greg "The Hammer" Valentine

0.0

WWE The Brawl to End it All

Greg "The Hammer" Valentine

10.0

1984

NWA Boogie Jam

Greg Valentine

0.0

1984

NWA Starrcade 1983

Greg "The Hammer" Valentine

7.0

1983

NWA The Race to Starrcade

Greg Valentine

0.0

1983

NWA The Final Conflict

Greg Valentine

0.0

1983

NWA Sam Muchnick Retirement Show

Greg Valentine

0.0

1982

The Immortal Hulk Hogan

Greg Valentine

0.0