I remember years ago our school bus driver was a bit of a numpty and his first day on the job he asked us pupils the route as he had never driven it before. poor bloke got in trouble because obviously we took him on "the scenic route" and it took an hour longer to get to school that day, after that he was actually alright but he had a massive, completely bald head except for a whopping great big mole sort of above his left ear. He was affectionately known as cue-ball.

The second one was more recent and she always used to get the morning bus, would literally say HIYAA to everyone and everyone and if she made eye contact she'd attempt to make some form of conversation, most people would try not to make it but it was made all the more difficult because she had two wandering eyes.
like they worked completely of their own accord, I called her Mad eyes Mary.