#7 Goldberg (2003)
When you look back at the time after WrestleMania X-Seven, it is very hard to find an instant success story from the superstars who arrived in WWE from WCW and ECW.
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Sure, Hulk Hogan and Ric Flair regained their spot at the top of the card instantly, but others like Booker T and RVD had to wait for four other years before reaching the pinnacle.
However, even during that tumultuous period for former WCW and ECW superstars, there was one who's debut left an immediate mark on the company and the fans. Goldberg's debut, even though it came two years after the closing of WCW, was the best moment for any WCW alumni in the history of WWE.
Targeting The Rock, who was giving his typical heel promo during the Rock Appreciation night after defeating Steve Austin the night before, Goldberg hit him with a vicious spear after declaring himself as his next opponent.
A month later, Goldberg defeated The Rock and became a permanent fixture of the main event for a year, eventually winning the World Heavyweight Title at Unforgiven five months later.