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Actor

John Wisniski Jr.

1951Seattle, Washington, USA78 Movies13 TV Shows

John Wisniski, Jr. is an American professional wrestler, better known as Greg "The Hammer" Valentine. He is the son of wrestler Johnny Valentine.

Filmography

More Movies

78 titles
Midnight Massacre
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Caepio

Midnight Massacre

2025
Chris Jericho's 30th Anniversary Celebration
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Greg "The Hammer" Valentine
7.0

Chris Jericho's 30th Anniversary Celebration

2020
350 Days
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Self
5.1

350 Days

2019
WWE: The U.S. Championship: A Legacy of Greatness
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Greg 'The Hammer' Valentine (archive footage)
9.2

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

2016
Behind the Ropes: The Greatest Fraternity in the World
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Himself

Behind the Ropes: The Greatest Fraternity in the World

2015
At What Cost? Anatomy of Professional Wrestling
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Himself
10.0

At What Cost? Anatomy of Professional Wrestling

2015
WWE: Starrcade - The Essential Collection
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Himself

WWE: Starrcade - The Essential Collection

2012
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
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Himself

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

2011
WWE: The History Of The Intercontinental Championship
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Himself
7.3

WWE: The History Of The Intercontinental Championship

2008
WWE: The History Of The WWE Championship
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10.0

WWE: The History Of The WWE Championship

2006
The Greatest Stars of the 80's
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Self
8.0

The Greatest Stars of the 80's

2005
WWE Hall of Fame 2004
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Self
8.3

WWE Hall of Fame 2004

2004
Heroes of Wrestling
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Greg "The Hammer" Valentine
1.0

Heroes of Wrestling

1999
WCW World War 3 1997
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Greg "The Hammer" Valentine
7.0

WCW World War 3 1997

1997
WWE Royal Rumble 1994
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Greg "The Hammer" Valentine
6.9

WWE Royal Rumble 1994

1994
WWE Survivor Series 1993
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The Blue Knight
6.5

WWE Survivor Series 1993

1993
The Immortal Hulk Hogan
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Greg Valentine

The Immortal Hulk Hogan

1992
WCW Clash of The Champions XX: 20th Anniversary
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Greg "The Hammer" Valentine

WCW Clash of The Champions XX: 20th Anniversary

1992
WCW Beach Blast
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Greg "The Hammer" Valentine

WCW Beach Blast

1992
WCW WrestleWar 1992
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Greg "The Hammer" Valentine

WCW WrestleWar 1992

1992
WWE SuperTape: Volume 5
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Greg "The Hammer" Valentine

WWE SuperTape: Volume 5

1992
WWE Royal Rumble 1992
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Greg "The Hammer" Valentine
6.8

WWE Royal Rumble 1992

1992
WWE Rampage '91
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Greg "The Hammer" Valentine

WWE Rampage '91

1991
WWE SummerSlam 1991
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Greg "The Hammer" Valentine
7.7

WWE SummerSlam 1991

1991
WWE WrestleFest '91
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Greg "The Hammer" Valentine

WWE WrestleFest '91

1991
WWE U.K. Rampage 1991
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Greg "The Hammer" Valentine
6.0

WWE U.K. Rampage 1991

1991
WWE Mega Matches
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Greg "The Hammer" Valentine

WWE Mega Matches

1991
WWE WrestleMania VII
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Greg "The Hammer" Valentine
7.4

WWE WrestleMania VII

1991
WWE Superstars & Stripes Forever: The March to WrestleMania VII
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Greg "The Hammer" Valentine

WWE Superstars & Stripes Forever: The March to WrestleMania VII

1991
WWE Funniest Moments
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Greg "The Hammer" Valentine

WWE Funniest Moments

1991
WWE Royal Rumble 1991
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Greg "The Hammer" Valentine
7.1

WWE Royal Rumble 1991

1991
WWE Survivor Series 1990
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Greg "The Hammer" Valentine
8.0

WWE Survivor Series 1990

1990
WWE Hottest Matches
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Greg "The Hammer" Valentine

WWE Hottest Matches

1990
Battle of the WWE Superstars
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Greg Valentine

Battle of the WWE Superstars

1990
WWE SuperTape: Volume 2
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Greg "The Hammer" Valentine

WWE SuperTape: Volume 2

1990
WWF/AJPW/NJPW Wrestling Summit
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WWF/AJPW/NJPW Wrestling Summit

1990
WWE The Ultimate Challenge Special: The March to WrestleMania VI
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Greg "The Hammer" Valentine

WWE The Ultimate Challenge Special: The March to WrestleMania VI

1990
Wrestling Superheroes
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Greg "The Hammer" Valentine

Wrestling Superheroes

1990
WWE Royal Rumble 1990
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Greg "The Hammer" Valentine
6.0

WWE Royal Rumble 1990

1990
WWE Survivor Series 1989
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Greg "The Hammer" Valentine
7.7

WWE Survivor Series 1989

1989
WWE SummerSlam 1989
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Greg Valentine
6.6

WWE SummerSlam 1989

1989
Demolition: Witness the Power
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Greg "The Hammer" Valentine

Demolition: Witness the Power

1989
Fan Favorites
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Greg Valentine

Fan Favorites

1989
The Best of the WWF: volume 20
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Greg "The Hammer" Valentine

The Best of the WWF: volume 20

1989
The Ultimate Warrior
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Greg "The Hammer" Valentine

The Ultimate Warrior

1989
WWE WrestleMania V
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Greg "The Hammer" Valentine
7.3

WWE WrestleMania V

1989
WWE Royal Rumble 1989
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Greg "The Hammer" Valentine
5.1

WWE Royal Rumble 1989

1989
WWE Survivor Series 1988
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Greg "The Hammer" Valentine
8.2

WWE Survivor Series 1988

1988
Macho Madness
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Greg "The Hammer" Valentine

Macho Madness

1988
The Best of the WWF: volume 16 Around the World
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Greg "The Hammer" Valentine

The Best of the WWF: volume 16 Around the World

1988
WWE WrestleMania IV
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Greg "The Hammer" Valentine
7.4

WWE WrestleMania IV

1988
Brutus "The Barber" Beefcake
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Greg "The Hammer" Valentine

Brutus "The Barber" Beefcake

1988
The Best of the WWF: volume 14
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Greg "The Hammer" Valentine

The Best of the WWF: volume 14

1987
Wrestling's Most Embarrassing Moments
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Greg "The Hammer" Valentine
10.0

Wrestling's Most Embarrassing Moments

1987
WWE Survivor Series 1987
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Greg Valentine
8.5

WWE Survivor Series 1987

1987
The Best of the WWF: volume 11
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Greg "The Hammer" Valentine

The Best of the WWF: volume 11

1987
WWE WrestleMania III
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Greg "The Hammer" Valentine
7.3

WWE WrestleMania III

1987
The Best of the WWF: volume 10
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Greg "The Hammer" Valentine

The Best of the WWF: volume 10

1987
Bob Uecker's Wacky World of Sports
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Greg "The Hammer" Valentine

Bob Uecker's Wacky World of Sports

1987
Inside the Steel Cage
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Greg "The Hammer" Valentine

Inside the Steel Cage

1986
The British Bulldogs
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Greg Valentine
4.0

The British Bulldogs

1986
The Best of the WWF: volume 9
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Greg "The Hammer" Valentine

The Best of the WWF: volume 9

1986
WWE The Big Event
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Greg "The Hammer" Valentine
8.0

WWE The Big Event

1986
The Best of the WWF: volume 7
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Greg "The Hammer" Valentine

The Best of the WWF: volume 7

1986
Ricky "The Dragon" Steamboat
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Greg "The Hammer" Valentine
10.0

Ricky "The Dragon" Steamboat

1986
WrestleMania II
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Greg "The Hammer" Valentine
6.4

WrestleMania II

1986
WWE Grudge Match
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Greg "The Hammer" Valentine

WWE Grudge Match

1986
Tag Team Champions
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Greg Valentine

Tag Team Champions

1986
The Best of the WWF: volume 5
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Greg "The Hammer" Valentine

The Best of the WWF: volume 5

1986
The WWF's Amazing Managers
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Greg 'The Hammer' Valentine

The WWF's Amazing Managers

1985
The Best of the WWF: volume 4
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Greg "The Hammer" Valentine

The Best of the WWF: volume 4

1985
WrestleMania
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Greg "The Hammer" Valentine
6.6

WrestleMania

1985
Most Unusual Matches
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Greg "The Hammer" Valentine
9.0

Most Unusual Matches

1985
WWF Hulkamania 1
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Greg Valentine

WWF Hulkamania 1

1985
WWE The Brawl to End it All
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Greg "The Hammer" Valentine
10.0

WWE The Brawl to End it All

1984
NWA Boogie Jam
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Greg Valentine

NWA Boogie Jam

1984
NWA Starrcade 1983
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Greg "The Hammer" Valentine
6.8

NWA Starrcade 1983

1983
NWA The Final Conflict
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Greg Valentine

NWA The Final Conflict

1983
Television

More TV Shows

13 titles
Biography: WWE Legends
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Greg "The Hammer" Valentine
6.8

Biography: WWE Legends

2021
WWE's Most Wanted Treasures
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Greg "The Hammer" Valentine
8.6

WWE's Most Wanted Treasures

2021
Undertaker: The Last Ride
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Greg Valentine (archive footage)
7.4

Undertaker: The Last Ride

2020
All Elite Wrestling: Dynamite
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Greg Valentine
8.0

All Elite Wrestling: Dynamite

2019
Raw
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Greg "The Hammer" Valentine
6.8

Raw

1993
Clash of the Champions
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Greg "The Hammer" Valentine

Clash of the Champions

1988
WWF Wrestling Challenge
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Greg Valentine
6.8

WWF Wrestling Challenge

1986
Saturday Night's Main Event
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Greg Valentine
8.4

Saturday Night's Main Event

1985
Tuesday Night Titans
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Greg "The Hammer" Valentine
10.0

Tuesday Night Titans

1984
WCW Arena Shows
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Greg Valentine

WCW Arena Shows

1983
Mid-Atlantic Championship Wrestling
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Greg Valentine

Mid-Atlantic Championship Wrestling

1981
WWF All-Star Wrestling
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Greg Valentine

WWF All-Star Wrestling

1975
WWE Old School
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Greg Valentine

WWE Old School

1973