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John Wisniski Jr.

Acting•Born September 20, 1951 (age 74)•Seattle, Washington, USA

Biography

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

Filmography

2025

Midnight Massacre

as Caepio

Movie

2021

Biography: WWE Legends

as Greg "The Hammer" Valentine

2021

WWE's Most Wanted Treasures

as Greg "The Hammer" Valentine

2020

Chris Jericho's 30th Anniversary Celebration

as Greg "The Hammer" Valentine

Movie

2020

Undertaker: The Last Ride

as Greg Valentine (archive footage)

2019

All Elite Wrestling: Dynamite

as Greg Valentine

2019

350 Days

as Self

Movie

2019

Headstrong

as Self

Movie

2016

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

as Greg 'The Hammer' Valentine (archive footage)

Movie

2015

Behind the Ropes: The Greatest Fraternity in the World

as Himself

Movie

2015

At What Cost? Anatomy of Professional Wrestling

as Himself

Movie

2014

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

as Himself

Movie

2012

WWE: Starrcade - The Essential Collection

as Himself

Movie

2011

JCW Legends and Icons

Movie

2011

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

as Himself

Movie

2008

WWE: The History Of The Intercontinental Championship

as Himself

Movie

2006

WWE: The History Of The WWE Championship

Movie

2005

The Greatest Wrestling Stars of the '80s

as Self

Movie

2005

World Wrestling Legends: 6:05 - The Reunion

as Greg Valentine

Movie

2004

WWE Hall of Fame 2004

as Self

Movie

1999

Heroes of Wrestling

as Greg "The Hammer" Valentine

Movie

1997

WCW World War 3 1997

as Greg "The Hammer" Valentine

Movie

1995

AWF Warriors of Wrestling

as Greg "The Hammer" Valentine

1994

WWE Royal Rumble 1994

as Greg "The Hammer" Valentine

Movie

1993

WWE Survivor Series 1993

as The Blue Knight

Movie

1993

Raw

as Greg "The Hammer" Valentine

1992

The Immortal Hulk Hogan

as Greg Valentine

Movie

1992

WCW Clash of The Champions XX: 20th Anniversary

as Greg "The Hammer" Valentine

Movie

1992

WCW Beach Blast

as Greg "The Hammer" Valentine

Movie

1992

WCW WrestleWar 1992

as Greg "The Hammer" Valentine

Movie

1992

WWE SuperTape: Volume 5

as Greg "The Hammer" Valentine

Movie

1992

WWE Royal Rumble 1992

as Greg "The Hammer" Valentine

Movie

1991

WWE Rampage '91

as Greg "The Hammer" Valentine

Movie

1991

WWE SummerSlam 1991

as Greg "The Hammer" Valentine

Movie

1991

WWE WrestleFest '91

as Greg "The Hammer" Valentine

Movie

1991

WWE U.K. Rampage 1991

as Greg "The Hammer" Valentine

Movie

1991

WWE Mega Matches

as Greg "The Hammer" Valentine

Movie

1991

WWE WrestleMania VII

as Greg "The Hammer" Valentine

Movie

1991

WWE Superstars & Stripes Forever: The March to WrestleMania VII

as Greg "The Hammer" Valentine

Movie

1991

WWE Funniest Moments

as Greg "The Hammer" Valentine

Movie

1991

WWE Royal Rumble 1991

as Greg "The Hammer" Valentine

Movie

1990

WWE Survivor Series 1990

as Greg "The Hammer" Valentine

Movie

1990

WWE Hottest Matches

as Greg "The Hammer" Valentine

Movie

1990

Battle of the WWE Superstars

as Greg Valentine

Movie

1990

WWE SuperTape: Volume 2

as Greg "The Hammer" Valentine

Movie

1990

WWF/AJPW/NJPW Wrestling Summit

Movie

1990

WWE The Ultimate Challenge Special: The March to WrestleMania VI

as Greg "The Hammer" Valentine

Movie

1990

Wrestling Superheroes

as Greg "The Hammer" Valentine

Movie

1990

WWE Royal Rumble 1990

as Greg "The Hammer" Valentine

Movie

1989

WWE Survivor Series 1989

as Greg "The Hammer" Valentine

Movie

1989

WWE SummerSlam 1989

as Greg Valentine

Movie

1989

Demolition: Witness the Power

as Greg "The Hammer" Valentine

Movie

1989

Fan Favorites

as Greg Valentine

Movie

1989

The Best of the WWF: volume 20

as Greg "The Hammer" Valentine

Movie

1989

The Ultimate Warrior

as Greg "The Hammer" Valentine

Movie

1989

WWE Wrestling at The Meadowlands: May '89

as Greg "The Hammer" Valentine

Movie

1989

WWE Maple Leaf Wrestling: April '89

as Greg "The Hammer" Valentine

Movie

1989

WWE WrestleMania V

as Greg "The Hammer" Valentine

Movie

1989

WWE Los Angeles Wrestling: January '89

as Greg "The Hammer" Valentine

Movie

1989

WWE Royal Rumble 1989

as Greg "The Hammer" Valentine

Movie

1988

WWE Los Angeles Wrestling: December '88

as Greg "The Hammer" Valentine

Movie

1988

WWE Survivor Series 1988

as Greg "The Hammer" Valentine

Movie

1988

Macho Madness

as Greg "The Hammer" Valentine

Movie

1988

WWE U.K. Rampage 1988

as Greg "The Hammer" Valentine

Movie

1988

WWE Wrestling at The Meadowlands: September '88

as Greg "The Hammer" Valentine

Movie

1988

The Best of the WWF: volume 16 Around the World

as Greg "The Hammer" Valentine

Movie

1988

WWE Maple Leaf Wrestling: July '88

as Greg "The Hammer" Valentine

Movie

1988

WWE Maple Leaf Wrestling: April '88

as Greg "The Hammer" Valentine

Movie

1988

WWE WrestleMania IV

as Greg "The Hammer" Valentine

Movie

1988

Clash of the Champions

as Greg "The Hammer" Valentine

1988

Brutus "The Barber" Beefcake

as Greg "The Hammer" Valentine

Movie

1987

The Best of the WWF: volume 14

as Greg "The Hammer" Valentine

Movie

1987

Wrestling's Most Embarrassing Moments

as Greg "The Hammer" Valentine

Movie

1987

WWE Houston Wrestling: December '87

as Greg "The Hammer" Valentine

Movie

1987

WWE Survivor Series 1987

as Greg Valentine

Movie

1987

WWE Houston Wrestling: October '87

as Greg "The Hammer" Valentine

Movie

1987

WWE Maple Leaf Wrestling: June '87

as Greg "The Hammer" Valentine

Movie

1987

The Best of the WWF: volume 11

as Greg "The Hammer" Valentine

Movie

1987

WWE WrestleMania III

as Greg "The Hammer" Valentine

Movie

1987

The Best of the WWF: volume 10

as Greg "The Hammer" Valentine

Movie

1987

WWE Maple Leaf Wrestling: January '87

as Greg "The Hammer" Valentine

Movie

1987

WWE Wrestling at The Meadowlands: January '87

as Greg "The Hammer" Valentine

Movie

1987

Bob Uecker's Wacky World of Sports

as Greg "The Hammer" Valentine

Movie

1986

Inside the Steel Cage

as Greg "The Hammer" Valentine

Movie

1986

WWE Houston Wrestling: October '86

as Greg "The Hammer" Valentine

Movie

1986

The British Bulldogs

as Greg Valentine

Movie

1986

The Best of the WWF: volume 9

as Greg "The Hammer" Valentine

Movie

1986

WWF Wrestling Challenge

as Greg Valentine

1986

WWF Wrestling Challenge

as Greg "The Hammer" Valentine

1986

WWF Superstars

as Greg "The Hammer" Valentine

1986

WWE The Big Event

as Greg "The Hammer" Valentine

Movie

1986

The Best of the WWF: volume 7

as Greg "The Hammer" Valentine

Movie

1986

Ricky "The Dragon" Steamboat

as Greg "The Hammer" Valentine

Movie

1986

WrestleMania II

as Greg "The Hammer" Valentine

Movie

1986

WWE Grudge Match

as Greg "The Hammer" Valentine

Movie

1986

Tag Team Champions

as Greg Valentine

Movie

1986

The Best of the WWF: volume 5

as Greg "The Hammer" Valentine

Movie

1985

The WWF's Amazing Managers

as Greg 'The Hammer' Valentine

Movie

1985

WWE Maple Leaf Wrestling: December '85

as Greg "The Hammer" Valentine

Movie

1985

WWE Maple Leaf Wrestling: October '85

as Greg "The Hammer" Valentine

Movie

1985

WWE Maple Leaf Wrestling: September '85

as Greg "The Hammer" Valentine

Movie

1985

The Best of the WWF: volume 4

as Greg "The Hammer" Valentine

Movie

1985

WWE Saturday Night's Main Event

as Greg Valentine

1985

WWE Saturday Night's Main Event

1985

WWE Saturday Night's Main Event

as Greg "The Hammer" Valentine

1985

WWE Maple Leaf Wrestling: April '85

as Greg "The Hammer" Valentine

Movie

1985

WrestleMania

as Greg "The Hammer" Valentine

Movie

1985

WWE Pay Per View

1985

Most Unusual Matches

as Greg "The Hammer" Valentine

Movie

1985

WWF Hulkamania 1

as Greg Valentine

Movie

1984

WWE Maple Leaf Wrestling: October '84

as Greg "The Hammer" Valentine

Movie

1984

WWE Maple Leaf Wrestling: September '84

as Greg "The Hammer" Valentine

Movie

1984

WWE The Brawl to End it All

as Greg "The Hammer" Valentine

Movie

1984

Tuesday Night Titans

as Greg "The Hammer" Valentine

1984

Tuesday Night Titans

as Greg Valentine

1984

NWA Boogie Jam

as Greg Valentine

Movie

1983

NWA Starrcade 1983

as Greg "The Hammer" Valentine

Movie

1983

WCW Arena Shows

as Greg Valentine

1983

NWA The Race to Starrcade

as Greg Valentine

Movie

1983

NWA The Final Conflict

as Greg Valentine

Movie

1982

NWA Sam Muchnick Retirement Show

as Greg Valentine

Movie

1981

Mid-Atlantic Championship Wrestling

as Greg Valentine

1975

WWF All-Star Wrestling

as Greg Valentine

1975

WWF All-Star Wrestling

as Greg 'The Hammer' Valentine

1973

WWE Old School

as Greg Valentine

1973

WWE Old School

as Greg "The Hammer" Valentine

Personal Info

DepartmentActing

BirthdaySeptember 20, 1951

Place of BirthSeattle, Washington, USA

Popularity0.4