10 Once-Lovable TV Characters Who Became Completely Repulsive

It's quite frankly amazing that this show has bullied its way into a tenth season, considering how few genuinely likable characters it has on its roster. That, coupled with the phantoms of any supposed "character development," make watching The Big Bang Theory a masochistic exercise.

But clearly there are plenty of viewers who still find the recurrent, nerdy shenanigans to be endearing or, at the very least, tolerable.

Are those same viewers still able to swallow Leonard's toolish ways on a weekly basis? It would be hard to believe any fans of the show hate themselves that much.

Over the years, Leonard has morphed from the group's most well-adjusted member who couldn't fathom how he had a chance with a girl seemingly way out of his league, to the self-pitying, condescending, distrustful sad sack who brings the group - and the girl he's now oddly blasé about - down.

He's like a more self-aware version of Sheldon's bad traits.

Really, the further his and Penny's relationship has progressed, the more we're left to realize that she is his sole reason for being. That's not a cutesy, romantic notion, either. Without the character of Penny, there would literally be no reason to include Leonard in the show. His character adds nothing but whininess and stasis.