John Wisniski Jr.

Born: 1951-09-20

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.


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WWE WrestleMania VII

as Greg "The Hammer" Valentine
Released: 1991-03-24

Hulk Hogan plays by new rules as he tries to liberate the WWE Championship from the clutches of...

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WWE Royal Rumble 1992

as Greg "The Hammer" Valentine
Released: 1992-01-19

The 1992 WWE Royal Rumble was the fifth annual Royal Rumble. It took place on January 19, 1992...

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WWE Survivor Series 1990

as Greg "The Hammer" Valentine
Released: 1990-11-22

Survivor Series (1990) was the fourth annual Survivor Series pay-per-view professional wrestling...

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WrestleMania

as Greg "The Hammer" Valentine
Released: 1985-03-31

The first annual WrestleMania professional wrestling pay-per-view event taking place on March...

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The Ultimate Warrior

as Greg "The Hammer" Valentine
Released: 1989-06-28

This Coliseum Home Video Classic highlights The Ultimate Warrior's in-ring career before...

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WWE Survivor Series 1988

as Greg "The Hammer" Valentine
Released: 1988-11-24

Survivor Series (1988) was the second annual Survivor Series pay-per-view professional wrestling...

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WWE Royal Rumble 1989

as Greg "The Hammer" Valentine
Released: 1989-01-15

The 1989 WWE Royal Rumble was the second annual Royal Rumble professional wrestling event...

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WWE WrestleMania III

as Greg "The Hammer" Valentine
Released: 1987-03-29

Hulk Hogan goes up against André the Giant for the WWE Championship, while Randy "Macho Man"...

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WCW Beach Blast

as Greg "The Hammer" Valentine
Released: 1992-06-20

WCW Beach Blast '92 took place on June 20, 1992 and emanated from The Mobile Civic Center in...

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

as Greg 'The Hammer' Valentine (archive footage)
Released: 2016-04-26

The United States Championship is a title that has been a staple of sports entertainment for...

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WWE: The History Of The Intercontinental Championship

as Himself
Released: 2008-11-25

It's a WWE Championship with a rich and storied history and the biggest names in sports...

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WCW Clash of The Champions XX: 20th Anniversary

as Greg "The Hammer" Valentine
Released: 1992-09-02

The Clash of the Champions XX was a major professional wrestling supercard produced by World...

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WWE Royal Rumble 1990

as Greg "The Hammer" Valentine
Released: 1990-01-21

Royal Rumble (1990) was the third annual Royal Rumble professional wrestling pay-per-view event...

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WCW Wrestle War: WarGames

as Greg "The Hammer" Valentine
Released: 1992-05-17

WrestleWar 1992: WarGames took place on May 17, 1992 from the Jacksonville Memorial Coliseum in...

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WWE Survivor Series 1987

as Greg Valentine
Released: 1987-11-26

November 26th, 1987, Thanksgiving Day from the Richfield Coliseum in Richfield, Ohio. Matches...

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WWE SummerSlam 1991

as Greg "The Hammer" Valentine
Released: 1991-08-26

WWE SummerSlam '91 was the fourth annual SummerSlam. It took place on August 26, 1991 at Madison...

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Midnight Massacre

as Caepio
Released: 2021-12-12

An outlaw terrorist organization led by Cleopatra, Mark Antony, and Julius Caesar plot to create...

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WWE Survivor Series 1993

as The Blue Knight
Released: 1993-11-24

The 1993 WWF Survivor Series took place on Thanksgiving Eve, November 24, 1993 at the Boston...

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WWE WrestleMania V

as Greg "The Hammer" Valentine
Released: 1989-04-02

WrestleMania V was the fifth annual WrestleMania professional wrestling pay-per-view event...

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WWE Survivor Series 1989

as Greg "The Hammer" Valentine
Released: 1989-11-23

The 1989 WWE Survivor Series was the third annual Survivor Series professional wrestling...

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350 Days

as Self
Released: 2019-04-02

Starring former world champions Bret Hart and Billy Graham, 350 Days is a true look behind the...

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WWE's Inside the Steel Cage

as Greg 'The Hammer' Valentine
Released: 1986-12-11

Join Gorilla Monsoon and Johnny Valentine for a journey through time to relive the most exciting...

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WWE Royal Rumble 1991

as Greg "The Hammer" Valentine
Released: 1991-01-19

The 1991 WWE Royal Rumble was the third annual Royal Rumble professional wrestling pay-per-view...

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WrestleMania II

as Greg "The Hammer" Valentine
Released: 1986-04-07

Mr. T vs. Roddy Piper in a Boxing match Battle Royal featuring superstars and athletes from the...

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WWE WrestleFest '91

as Greg "The Hammer" Valentine
Released: 1991-07-25

Macho Man Randy Savage hosts this explosive WWE extravaganza...his first Coliseum assignment...

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Biography: “Rowdy” Roddy Piper

as Self
Released: 2021-04-25

Focuses on "Rowdy" Roddy Piper, who is universally considered one of WWE's greatest villains....

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WWF/AJPW/NJPW Wrestling Summit

as uncredited
Released: 1990-04-13

A combined WWF, AJPW and NJPW supershow: April 13th, 1990 from the Tokyo Dome.

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WWE WrestleMania IV

as Greg "The Hammer" Valentine
Released: 1988-03-27

WrestleMania IV was the fourth annual WrestleMania professional wrestling pay-per-view event...

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WCW World War 3 1997

as Greg "The Hammer" Valentine
Released: 1997-11-23

Sixty men compete in a Three Ring Battle Royale for a chance at the WCW World Heavyweight...

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WWF SuperTape '92

as Greg "The Hammer" Valentine
Released: 1992-02-27

SuperTape '92 features every match from This Tuesday in Texas, including the rematch between...

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NWA The Final Conflict

as Greg Valentine
Released: 1983-03-12

Ricky Steamboat & Jay Youngblood's last chance at NWA Tag Team Champions Sgt. Slaughter & Don...

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WWE Rampage '91

as Greg "The Hammer" Valentine
Released: 1991-10-24

While "Mean" Gene Okerlund and Bobby "The Brain" Heenan invite Sean Mooney to join them for a...

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WWE SummerSlam 1989

as Greg Valentine
Released: 1989-08-28

SummerSlam (1989) was the second annual SummerSlam professional wrestling pay-per-view event...

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Chris Jericho's 30th Anniversary Celebration

as Greg "The Hammer" Valentine
Released: 2020-10-07

This television special edition of AEW Dynamite celebrated the 30th anniversary of Chris...

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WWE: Starrcade - The Essential Collection

as Himself
Released: 2012-01-03

For close to two decades, it was the signature event – first in NWA, then WCW. Some of the...

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WWE Hall of Fame 2004

as uncredited
Released: 2004-03-12

On March 13th 2004 - the night before Wrestlemania XX - World Wrestling Entertainment held a...

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WWE Royal Rumble 1994

as Greg "The Hammer" Valentine
Released: 1994-01-22

Thirty Superstars compete in the annual Royal Rumble Match with the winner advancing to...

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WWE The Ultimate Challenge Special: The March to WrestleMania VI

as Greg "The Hammer" Valentine
Released: 1990-03-25

Join your hosts Gorilla Monsoon & Bobby "The Brain" Heenan from the CN Tower in Toronto as they...

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NWA Starrcade 1983

as Greg "The Hammer" Valentine
Released: 1983-11-24

The first ever Starrcade features Ric Flair battling Harley Race in a Steel Cage Match for NWA...

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At What Cost? Anatomy of Professional Wrestling

as Himself
Released: 2015-04-25

A behind the scenes look into the lives, injuries and sacrifices of professional wrestlers.

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Fan Favorites

as Greg Valentine
Released: 1989-08-09

Never before seen! WWF fan requested match-ups! • Koko B. Ware vs. The Brooklyn Brawler • Greg...

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Bob Uecker's Wacky World of Sports

as Greg "The Hammer" Valentine
Released: 1987-01-01

Bob Uecker hosted this show in the mid to late 1980's, featuring sports bloopers and comedy with...

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WWE The Big Event

as Greg "The Hammer" Valentine
Released: 1986-08-28

The Big Event was a Canada-only professional wrestling pay-per-view event produced by the World...

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Battle of the WWE Superstars

as Greg Valentine
Released: 1990-08-23

An Action-Packed WWE Wrestling Spectacular!

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WWE: The History Of The WWE Championship

as uncredited
Released: 2006-09-05

For more than forty years, the WWE Championship has been one of the most prestigious titles in...

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WWF Hottest Matches

as Greg "The Hammer" Valentine
Released: 1990-10-25

Things heat up as Sean Mooney hosts a sizzling lineup of WWE's Hottest Matches. From The Rockers...

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WWE Demolition

as Greg "The Hammer" Valentine
Released: 1989-08-09

Witness the devastating power of one of the most awesome tag teams in WWE history, Demolition....

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WWF Hulkamania 1

as Greg Valentine
Released: 1985-01-01

A look at the best of WWF's top attraction, Hulk Hogan.

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The Best of the WWF: volume 10

as Greg "The Hammer" Valentine
Released: 1987-03-01

The power of the WWE superstars comes into your living room from Coliseum Home Video!

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WWF SuperTape vol. 2

as Greg "The Hammer" Valentine
Released: 1990-07-25

On Supertape Vol. 2, Sean Mooney takes the WWE Universe on a journey through some unforgettable...

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The British Bulldogs

as Greg Valentine
Released: 1986-10-15

One of the most legendary tag team combinations in WWE history is highlighted in this Home Video...

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The Best of the WWF: volume 20

as Greg "The Hammer" Valentine
Released: 1989-08-09

The best keeps getting better!

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The WWF's Most Unusual Matches

as Greg 'The Hammer' Valentine
Released: 1985-01-01

Some of the most unusual matches in WWF History.

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The Best of the WWF: volume 11

as Greg "The Hammer" Valentine
Released: 1987-06-24

The biggest superstars in WWE in their greatest moments!

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Ricky "The Dragon" Steamboat

as Greg "The Hammer" Valentine
Released: 1986-05-02

In this masterful blending of wrestling and karate, see why Ricky "The Dragon" Steamboat is one...

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The Best of the WWF: volume 5

as Greg "The Hammer" Valentine
Released: 1986-01-01

Wendi Richter defends her title against Leilani Kai. Island Fury! The Magnificent Muraco vs....

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WWE U.K. Rampage 1991

as Greg "The Hammer" Valentine
Released: 1991-04-21

The superstars of The World Wrestling Federation make their annual trek across the pond for WWE...

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WWE The Brawl to End it All

as Greg "The Hammer" Valentine
Released: 1984-07-23

The Brawl to End It All was a professional wrestling event produced by the World Wrestling...

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The Best of the WWF: volume 7

as Greg "The Hammer" Valentine
Released: 1986-06-06

The Best of WWE brought to you on home video!

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The Best of the WWF: volume 4

as Greg "The Hammer" Valentine
Released: 1985-09-01

The biggest superstars of the WWF in their best matches

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The Best of the WWF: volume 14

as Greg "The Hammer" Valentine
Released: 1987-12-15

Coliseum Home Video Exclusives! Rare footage never shown anywhere else!

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NWA Boogie Jam

as Greg Valentine
Released: 1984-03-17

Paul Jones tries to escape the clutches of "The Boogie-Woogie Man" Jimmy Valiant in a vital Hair...

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WWE Mega Matches

as Greg "The Hammer" Valentine
Released: 1991-03-28

Get ready for big action and excitement as Sean Mooney takes the WWE Universe on a journey...

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Heroes of Wrestling

as Greg "The Hammer" Valentine
Released: 1999-10-10

Heroes of Wrestling was a professional wrestling pay-per-view event that took place on October...

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WWE Superstars & Stripes Forever: The March to WrestleMania VII

as Greg "The Hammer" Valentine
Released: 1991-03-17

"Mr. Perfect" Curt Hennig faces Rocker Shawn Michaels in a Prime Time dream match on The Road To...

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

as Himself
Released: 2011-06-01

The fuse has been ignited on the explosive popularity of the WWE in 1985. The world was about to...

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The Best of the WWF: volume 9

as Greg "The Hammer" Valentine
Released: 1986-10-15

The best of the WWE superstars in and out of the ring brought to you by Coliseum Home Video!

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Tag Team Champions

as Greg Valentine
Released: 1986-03-01

A tribute to the WWF's dynamic duos precision, timing, and teamwork that make them champions.

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The Best of the WWF: volume 16 Around the World

as Greg "The Hammer" Valentine
Released: 1988-07-27

The best of WWE action from across the globe!

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Behind the Ropes: The Greatest Fraternity in the World

as Himself
Released: 2015-12-31

Behind the Ropes: The Greatest Fraternity in the World is a documentary about that sense of...

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WWE Raw

as Greg "The Hammer" Valentine
First aired: 1993-01-11

A regularly scheduled, live, year-round program featuring some of the biggest WWE Superstars.

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All Elite Wrestling: Dynamite

as Greg Valentine
First aired: 2019-10-02

A world-class roster of diverse male and female wrestlers give fans a new wrestling experience...

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WWF Wrestling Challenge

as Greg Valentine
First aired: 1986-09-07

WWF Wrestling Challenge was a professional wrestling television program produced by the World...

TV Show page

Saturday Night's Main Event

as uncredited
First aired: 1985-05-11

A professional wrestling television program produced by the World Wrestling Federation banner on...

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WWE Pay Per View

as Greg "The Hammer" Valentine
First aired: 1985-03-31

The American professional wrestling promotion WWE has been broadcasting pay-per-view (PPV)...

TV Show page

Biography: WWE Legends

as Greg "The Hammer" Valentine
First aired: 2021-04-18

The stories behind some of the most memorable WWE Superstars of all time.

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WWE's Most Wanted Treasures

as Greg "The Hammer" Valentine
First aired: 2021-04-18

Stephanie McMahon and Triple H leads a team of collectors and WWE celebrities as they travel...

TV Show page