Mmmmm... Doodle Bug. The art work of early 70s Williams (and Bally for that matter) urked me. The doogle bug feature was an interesting gimmick, but was not a favourite of mine.
http://www.ipdb.org/showpic.pl?id=703&picno=683(I had a doodle bug once, but a course of penicillin and a special cream fixed it.)
PS - Coming back from Asia, Customs asked a friend of mine "Bring anything back?"
Looking down to his crotch, he replied "God, I hope not".