#4 From TJ Perkins to TJP
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The Cruiserweight Classic winner and inaugural Cruiserweight Champion won the crown under a longer name compared to the one he uses today. It's the same name he used on the independents, and an absolutely bizarre reason caused it to change to just TJP.
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The reason, as reported by Bryan Alvarez of the Wrestling Observer was that Vince McMahon hates the chain 'Perkins' and doesn't want to have his wrestlers associated with something he loathes. TJP later tweeted debunking this, however, saying that he asked for the name change himself. But with Vince McMahon's penchant for changing things for such reasons, we wouldn't put it too far from WWE making this change for the aforementioned reason.
Edited by Amar Anand