I don't want to offend you or anyone else for that matter. It just seems easier to be on a first name basis.

[Hermione perks up and switches to video, her eyes wide.]

You know about Dumbledore's Army? I was thinking about forming something like that here, but - [She hasn't had time.] Yes, that's a brilliant idea. We could call it by another name, I suppose. It's not like everyone knows Dumbledore here.