Here are some pics of various wrestlers early in their career, and what they currently look like. These are in no particular order.

Wrestler(s)	Then	Now
Gangrel
Christian
The Godfather, Kama Mustafa, & Papa Shango/The Goodfather
The Hardy Boyz
Ivory
Glenn Jacobs (As Isaac Yankeem & Kane)
Stacy "The Kat" Carter
Solofa Fatu (as Headshrinker Fatu & Rikishi)
Test
Triple H
Bull Buchanan
Monty Sopp (Billy Gunn) (as Mr. Ass & The One)
Kurt Angle
The Undertaker (as somebody in an earlier persona and The Ministry of Darkness & The American Bad @$$)
Shawn Michaels
Steve Austin
Kevin Nash (as Vinnie Vegas/Big Sexy)
Steve Blackman
Bill Goldberg
Al Snow (as Avatar/Al Snow)
Bret Hart (old pic/The Hitman)