Girls (or guys) you really shouldn't fancy but you do and don't know why

I found this thread on another non-football forum by accident but I thought it would give folks a chance to reveal their innermost secrets...

Okay I'll start.

Miss Hoolie from Balamory...

Miss Hoolie

You need to be honest and not say the knee-jerk thing like an obvious candidate, e.g. Cheryl Cole etc. Tell us who you really fancy but "shouldn't"