#4 Fake Diesel Becomes Kane
The man who went on to be known as Kane had a really rough start in WWE. Glenn Jacobs made his first television appearance with the company as Isaac Yankem, DDS, Jerry Lawler's private dentist. This gimmick was to last just under a year, before being dropped.
He would be reintroduced to WWE TV in September 1996 as Fake Diesel, an impostor version of Kevin Nash's character. Apparently, Vince McMahon loved the Diesel and Razor Ramon characters so much, that he thought the characters themselves would work without Kevin Nash and Scott Hall, and boy was he wrong.
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The universally hated gimmicks lasted until the Royal Rumble 1997. He would be re-introduced once more at Bad Blood 1997 as Kane, the long lost brother of The Undertaker. The Kane gimmick was only designed to last for 6 months, but here we are more than 20 years later and we are still treated to returns of the Big Red Machine.
Kane has had an incredible career, including being WWE Champion, World Heavyweight Champion, WWE ECW Champion, Intercontinental Champion, Hardcore Champion and a multi-time Tag Team Champion.