John Wisniski Jr.

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.

Cast

WrestleMania

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WrestleMania II

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WWE WrestleMania III

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WWE WrestleMania V

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Battle of the WWE Superstars

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WWE WrestleFest '91

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The British Bulldogs

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WWE Hottest Matches

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WWE SuperTape: Volume 2

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WWE SuperTape: Volume 5

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Demolition: Witness the Power

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WWE Mega Matches

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WWE Rampage '91

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The Ultimate Warrior

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Ricky "The Dragon" Steamboat

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WWE WrestleMania VII

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WWE Royal Rumble 1991

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WWE Survivor Series 1990

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WWE SummerSlam 1991

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WWE Survivor Series 1993

The Blue Knight

WWE Survivor Series 1988

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NWA Starrcade 1983

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Midnight Massacre

Caepio

WCW Beach Blast

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WCW World War 3 1997

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Bob Uecker's Wacky World of Sports

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Behind the Ropes: The Greatest Fraternity in the World

Himself

Fan Favorites

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At What Cost? Anatomy of Professional Wrestling

Himself

The Best of the WWF: volume 4

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The Best of the WWF: volume 5

Greg "The Hammer" Valentine

The Best of the WWF: volume 7

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The Best of the WWF: volume 9

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The Best of the WWF: volume 10

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The Best of the WWF: volume 11

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The Best of the WWF: volume 14

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The Best of the WWF: volume 16 Around the World

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The Best of the WWF: volume 20

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Most Unusual Matches

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WWF Hulkamania 1

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World Wrestling Legends: 6:05 - The Reunion

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

Himself

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

Greg 'The Hammer' Valentine (archive footage)

JCW Legends and Icons

Unknown

WWE Maple Leaf Wrestling: April '89

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WWE U.K. Rampage 1988

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WWE Houston Wrestling: October '86

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WWE Houston Wrestling: October '87

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WWE Houston Wrestling: December '87

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WWE Los Angeles Wrestling: December '88

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WWE Los Angeles Wrestling: January '89

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WWE Maple Leaf Wrestling: September '84

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WWE Maple Leaf Wrestling: October '84

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WWE Maple Leaf Wrestling: April '85

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WWE Maple Leaf Wrestling: September '85

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WWE Maple Leaf Wrestling: October '85

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WWE Maple Leaf Wrestling: December '85

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WWE Maple Leaf Wrestling: January '87

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WWE Maple Leaf Wrestling: June '87

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WWE Maple Leaf Wrestling: April '88

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WWE Wrestling at The Meadowlands: January '87

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WWE Maple Leaf Wrestling: July '88

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WWE Wrestling at The Meadowlands: September '88

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WWE Wrestling at The Meadowlands: May '89

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WWE: The History Of The WWE Championship

Unknown

WWE Hall of Fame 2004

Self

WWF/AJPW/NJPW Wrestling Summit

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

Himself

WWE: The History Of The Intercontinental Championship

Himself

WWE: Starrcade - The Essential Collection

Himself

NWA The Final Conflict

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350 Days

Self

Tag Team Champions

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WWE WrestleMania IV

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WCW Clash of The Champions XX: 20th Anniversary

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Heroes of Wrestling

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WWE Royal Rumble 1989

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WWE Survivor Series 1989

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NWA Sam Muchnick Retirement Show

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NWA The Race to Starrcade

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NWA Boogie Jam

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WWE The Brawl to End it All

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WWE The Ultimate Challenge Special: The March to WrestleMania VI

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WWE The Big Event

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WWE Survivor Series 1987

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WWE Superstars & Stripes Forever: The March to WrestleMania VII

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WWE U.K. Rampage 1991

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WWE Royal Rumble 1992

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WWE Royal Rumble 1990

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WWE SummerSlam 1989

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WWE Royal Rumble 1994

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WCW WrestleWar 1992

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Chris Jericho's 30th Anniversary Celebration

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The Immortal Hulk Hogan

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WrestleMania 2

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WrestleMania III

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WrestleMania IV

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The WWF's Amazing Managers

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Macho Madness

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Brutus "The Barber" Beefcake

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Inside the Steel Cage

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Wrestling Superheroes

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Wrestling's Most Embarrassing Moments

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WWE Funniest Moments

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The Greatest Stars of the 80's

Self

WWE Grudge Match

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