"Could have antennae. Or scales. Might have to swim in a great big tub." Malcolm shrugged. "Or could look like you and me. Could have pointy ears and green blood, no way of knowing until we find this so-called caretaker. I doubt it's anyone we can find in this cave unless they play a very good game of pretend to blend in with the rest of us." Well, that was a nice, thoroughly paranoid thought to stick into his own head, that whoever's behind this might be anyone, if they're clever enough.