#4. Big Van Vader - 1993 (285 days)
Big Van Vader dominated WCW in the first half of the 1990s and held the WCW World Championship three times. His final reign lasted the longest. 285 days in fact.
It began on a House Show in Dublin, Ireland when he defeated Sting, who in turn had beaten him six days earlier at another House Show, England.
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Vader smashed through the competition and engaged in a very memorable feud with Cactus Jack, which culminated in a classic bout at Halloween Havoc 1993.
However, it was WCW's most dominant performer of the 1980s who finally upended him for the gold. Ric Flair put his career on the line versus Vader's WCW World title at Starrcade 1993.
In one of the greatest matches of the decade, Vader played his monster heel character to perfection as Flair played the underdog baby face.
After almost half an hour of rewarding action, Flair tripped and cradled Vader to win the strap and Vader's final WCW World title win was over.
He would never regain the strap despite challenging Hulk Hogan several times in 1995.