Quite a bit are in Baki the Grappler:
Nice scars...
Worst dye job ever?
Sadly, this is male.
S-CRY-ed:
I call him "Elf boy"
There are more, I'm pissed that I'm drawing a blank right now, I remember this really horrible looking dude, but I can't seem to recall which anime. I might post it later, post some of the ugliest people in anime you can think of.

