He waits patiently. If he were dressed in his usual habiliment, he might take the time to fuss with his watch chain or straighten the hem of his waistcoat. As it is, all he has is the t-shirt which he would rather not call attention to at all, the fit absurdly unflattering.

He is not at all good at lies or subterfuge. It doesn't mean he doesn't recognize them in others. There is something entirely too convenient in how the professor picks the vampire out, yet claims a lack of familiarity with him. With his attention focused in the proper direction, he can sense it now, what he couldn't before. A subtle tug of evil, nothing as obvious as any demon, even Crowley.

"No animate mummies. Pity for both of us, yes? To come from such dull and lacking places." He widens his eyes briefly for emphasis.

"Still, I notice. I can't help but to notice, can I? That you say nothing of werewolves?" He's almost gleeful, feeling clever.