Handsome Sheridan

Captain Sheridan somehow became a notorious example of conceit and narcissism (self-preoccupation) about his own looks. (Possibly the funniest caption was one where he wished for "a mirror the size of Texas!")
Here are a few other examples:

Mr_Grant Just a quick check in my pocket mirror... Yep, STILL girl-bait!

GlitterRock His handsomeness is too much for any corporial form to contain. He's evolving into pure energy.