#3 Mordecai
Soon after WrestleMania 20, WWE began hyping up the arrival of a sinister entity who was talking about ridding the world of sin. The mysterious character was revealed as Mordecai, who made his debut at Judgment Day 2004 in an easy victory against Scotty 2 Hotty.
Mordecai continued dominating the SmackDown roster for weeks on end and defeated Hardcore Holly at The Great American Bash. Soon after, he was involved in a bar fight, which resulted in Vince McMahon immediately scrapping the character.
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A per reports, WWE's plan for Mordecai was to build him up for the next few months, all the way to WrestleMania 21. He was supposed to get into a feud with The Undertaker on the Road to WrestleMania, culminating in a match at The Show of Shows.
Kevin Fertig's mistake cost him dearly, and one wonders what would have happened and where would he be today, if it hadn't been for that bar fight. The Undertaker ended up facing Randy Orton at WrestleMania 21, defeating him to advance his streak to 13-0.