Hermione Granger

"Do you know you've got a ghost in the poltergeist stage there?" Biffy asked politely. The responsible thing, in his London, would have been to perform an exorcism to destroy the remains and let the poor thing lose its tether rather than continue going mad but that was his old London. Who was he to comment how the neighbors did the dusting?

He bowed slightly at the waist. "Nothing really. I was looking around. Your shop has an interesting scent." To explain, Biffy tapped his nose and then his pointed ears. "Magical."