Max smirked at her. "Me of course, I know a couple." He waggled his eyebrows, joking with her. "Of course, I have heard that girls are quite scary when they cast the Bat Bogey so..." He chuckled, standing up when the Professor released them. "You could be a very frightening person on the end of a wand." He grabbed his backpack. "C'mon, let's go see the ghost Professor."