The Doctor? Doctor of what? I'm sorry, the same rudeness applies to us both, it should seem. I'm Rupert Giles, head of the Watchers Council based out of Scotland right now, but we have several branches.
Brother Lassar? If I remember correctly, I've only faced one batlike demon before named Camazotz. Very nasty. Dealt with an alteration of reality where Buffy, my Slayer, had to face a vampiric version of myself. Very dirty business setting all fo that right.