Rita just gives him a wide-eyed, blank stare at his impression. Is that actually supposed to be...? Bewildered, she stammers out, "Wh, what are you..." The gesture is recognizable, if a completely bizarre way to communicate it. She has no idea how to respond, and it takes a moment to find her words.

"I mean--I know Childermass. He's my roommate. I just didn't..." She raises an eyebrow, suddenly realizing something. "Do you have a name like that for everybody?"