#1 Konnor, signed in 2005
This is by far the most surprising factoid in this countdown. Konnor, one-half of the wildly successful, er, mildly successful tag team the Ascension, first signed with WWE in 2005. He was assigned to Deep South Wrestling where he became DSW Heavyweight Champion and defended the title against the likes of Mike Knox and MVP before losing it to Bradley Jay.
Konnor was actually slated to be part of the ECW roster in 2006, but violated the company's wellness policy, nixing those plans. He would eventually move on to FCW before taking a brief hiatus from wrestling altogether. So although he hasn't been performing in WWE for 12 years straight, he signed on very early and it's still the only promotion he's worked aside from a brief stint in NWA.
Upon his return to WWE in 2010, Konnor competed in the game show version of NXT before becoming a part of the Ascension which was then comprised of Konnor and the superstars now known as Epico, Bram, and Raquel Diaz. The group was then shrunk to just Konnor and Bram before Viktor replaced him.
Konnor has been through quite a lot and is one-half of the longest reigning NXT tag team champions ever. But the fact that he signed with WWE all the way back in 2005 is nothing short of shocking to learn.
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