"Well, Adrian the vampire, I think I'll be okay." She grinned as she took a seat beside him. "The vampires from my world are a bit more extraterrestrial, but I'm hazarding a guess you're from Earth."
He didn't seem very alien, but then the Doctor knew from experience most aliens didn't look like aliens - especially the kind humans thought were real. "I'm the Doctor. Nice to meet you." She held out her hand to shake.