Barking mad. That's what this guy was. He thought he was a wizard attending Hogwarts School of Witchcraft and Wizardry.

Maybe it was time to go. It was the loony ones you really had to watch out for; they were more unpredictible than the others.

Alex tried to look as non-threatening as possible. "Look, mate, I didn't mean anything by it. Hogwarts is a lovely school. Would go there myself if I could."