John Wisniski Jr.

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

HD

Chris Jericho's 30th Anniversary Celebration

2020 ⭐ 7.0

HD

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

2016 ⭐ 9.2

HD

At What Cost? Anatomy of Professional Wrestling

2015 ⭐ 10.0

HD

WWE: The History Of The Intercontinental Championship

2008 ⭐ 7.3

Career timeline

2025

Midnight Massacre

Caepio · 2025

2020

Chris Jericho's 30th Anniversary Celebration Notable

Greg "The Hammer" Valentine · 2020

⭐ 7.0

2019

350 Days

Self · 2019

⭐ 5.1

2016

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

Greg 'The Hammer' Valentine (a · 2016

⭐ 9.2

2015

Behind the Ropes: The Greatest Fraternity in the World

Himself · 2015

At What Cost? Anatomy of Professional Wrestling Notable

Himself · 2015

⭐ 10.0

2012

WWE: Starrcade - The Essential Collection

Himself · 2012

2011

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

Himself · 2011

2008

WWE: The History Of The Intercontinental Championship Notable

Himself · 2008

⭐ 7.3

2006

WWE: The History Of The WWE Championship Notable

2006

⭐ 10.0

2005

The Greatest Wrestling Stars of the '80s Notable

Self · 2005

⭐ 7.8

2004

WWE Hall of Fame 2004 Notable

Self · 2004

⭐ 8.3

1999

Heroes of Wrestling

Greg "The Hammer" Valentine · 1999

⭐ 1.0

1997

WCW World War 3 1997 Notable

Greg "The Hammer" Valentine · 1997

⭐ 7.5

1994

WWE Royal Rumble 1994 Notable

Greg "The Hammer" Valentine · 1994

⭐ 7.0

1993

WWE Survivor Series 1993 Notable

The Blue Knight · 1993

⭐ 7.0

1992

The Immortal Hulk Hogan

Greg Valentine · 1992

WCW Clash of The Champions XX: 20th Anniversary

Greg "The Hammer" Valentine · 1992

WCW Beach Blast Notable

Greg "The Hammer" Valentine · 1992

⭐ 8.0

1991

WWE Rampage '91

Greg "The Hammer" Valentine · 1991

WWE SummerSlam 1991 Notable

Greg "The Hammer" Valentine · 1991

⭐ 7.7

WWE WrestleFest '91

Greg "The Hammer" Valentine · 1991

1990

WWE Survivor Series 1990 Notable

Greg "The Hammer" Valentine · 1990

⭐ 7.7

WWE Hottest Matches

Greg "The Hammer" Valentine · 1990

Battle of the WWE Superstars

Greg Valentine · 1990

1989

WWE Survivor Series 1989 Notable

Greg "The Hammer" Valentine · 1989

⭐ 7.9

WWE SummerSlam 1989

Greg Valentine · 1989

⭐ 6.7

Demolition: Witness the Power

Greg "The Hammer" Valentine · 1989

1988

WWE Survivor Series 1988 Notable

Greg "The Hammer" Valentine · 1988

⭐ 8.2

Macho Madness

Greg "The Hammer" Valentine · 1988

The Best of the WWF: volume 16 Around the World

Greg "The Hammer" Valentine · 1988

Frequently appears with

Christopher Keith Irvine

Chris Jericho

Len Olson

Luther

Maxwell Jacob Friedman

MJF

Donald Hager Jr.

Jake Hager

Jonathan Cruz Rivera

Serpentico

Ric Flair

Ric Flair (archive footag

Steve Austin

Steve Austin (archive foo

Rick Blood Sr.

Ricky 'The Dragon' Steamb

Roddy Piper

Rowdy Roddy Piper (archiv

Full filmography

HD

Midnight Massacre

2025

HD

Chris Jericho's 30th Anniversary Celebration

2020 ⭐ 7.0

HD

350 Days

2019 ⭐ 5.1

HD

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

2016 ⭐ 9.2

HD

Behind the Ropes: The Greatest Fraternity in the World

2015

HD

At What Cost? Anatomy of Professional Wrestling

2015 ⭐ 10.0

HD

WWE: Starrcade - The Essential Collection

2012

HD

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

2011

HD

WWE: The History Of The Intercontinental Championship

2008 ⭐ 7.3

HD

WWE: The History Of The WWE Championship

2006 ⭐ 10.0

HD

The Greatest Wrestling Stars of the '80s

2005 ⭐ 7.8

HD

WWE Hall of Fame 2004

2004 ⭐ 8.3

HD

Heroes of Wrestling

1999 ⭐ 1.0

HD

WCW World War 3 1997

1997 ⭐ 7.5

HD

WWE Royal Rumble 1994

1994 ⭐ 7.0

HD

WWE Survivor Series 1993

1993 ⭐ 7.0

HD

The Immortal Hulk Hogan

1992

HD

WCW Clash of The Champions XX: 20th Anniversary

1992

HD

WCW Beach Blast

1992 ⭐ 8.0

HD

WCW WrestleWar 1992

1992 ⭐ 6.0