I have been on the other side of the desk too and the ones that stick in my mind are the guy who turned up with no shirt on! (came straight from the Job Centre too) I guess he didn’t want the job really, he was told to sling it.
then there was the girl drinking beer from a jam jar!
Oh and the youngster that had his O level certificates that were burnt round the edges, later on in the interview, he revealed that he had actually burnt his parents house down 😯