"Yeah. I was asked to help out." It sounds like his best out, especially with Avitus's testimony. A house servant -- that's what he is.

"Oh. I, uh... I know your name because I was told..." This is all very, very strange, and the temptation to ask them to 'stop messing with him' is there, but the likelihood of this being a terrifyingly well-organized prank is quite slim.

"Ma...ybe we should--"

Wait. What's 'parents?' No. No, no. That can't possibly be a real question, can it?

"... Oi, oi, don't scare Misato like that. Parents. Mom and dad. Everyone had parents."