John Wisniski Jr.

John Wisniski Jr.

Known for

Acting

Born

September 20, 1951 (age 75)

Birthplace

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.

Best known work

Raw

Raw

1993

Undertaker: The Last Ride

Undertaker: The Last Ride

2020

All Elite Wrestling: Dynamite

All Elite Wrestling: Dynamite

2019

WrestleMania

WrestleMania

1985

WWE WrestleMania III

WWE WrestleMania III

1987

WWE Saturday Night's Main Event

WWE Saturday Night's Main Event

1985

WrestleMania II

WrestleMania II

1986

WWE WrestleMania V

WWE WrestleMania V

1989

WWE WrestleMania IV

WWE WrestleMania IV

1988

WWE WrestleMania VII

WWE WrestleMania VII

1991

Filmography

2025
Midnight Massacre
as Caepio
2021
Biography: WWE LegendsTV
as Greg "The Hammer" Valentine (1 episode)
2021
WWE's Most Wanted TreasuresTV
as Greg "The Hammer" Valentine (2 episodes)
2020
Chris Jericho's 30th Anniversary Celebration
as Greg "The Hammer" Valentine
2020
Undertaker: The Last RideTV
as Greg Valentine (archive footage) (1 episode)
2019
All Elite Wrestling: DynamiteTV
as Greg Valentine (1 episode)
2019
350 Days
as Self
2019
Headstrong
as Self
2016
WWE: The U.S. Championship: A Legacy of Greatness
as Greg 'The Hammer' Valentine (archive footage)
2015
Behind the Ropes: The Greatest Fraternity in the World
as Himself
2015
At What Cost? Anatomy of Professional Wrestling
as Himself
2014
WWE: 150 Best Pay-Per-View Matches, Vol 1
as Himself
2012
WWE: Starrcade - The Essential Collection
as Himself
2011
JCW Legends and Icons
2011
Timeline The History of WWE – 1985 – As Told By Greg Valentine
as Himself
2008
WWE: The History Of The Intercontinental Championship
as Himself
2006
WWE: The History Of The WWE Championship
2005
The Greatest Wrestling Stars of the '80s
as Self
2005
World Wrestling Legends: 6:05 - The Reunion
as Greg Valentine
2004
WWE Hall of Fame 2004
as Self
1999
Heroes of Wrestling
as Greg "The Hammer" Valentine
1997
WCW World War 3 1997
as Greg "The Hammer" Valentine
1995
AWF Warriors of WrestlingTV
as Greg "The Hammer" Valentine (3 episodes)
1994
WWE Royal Rumble 1994
as Greg "The Hammer" Valentine
1993
WWE Survivor Series 1993
as The Blue Knight