Just as she thought, then. "Ianto Jones, yes. He is from my universe, he has been helping me search for you and keeping me company. He is a good boy." Except currently he's being purposefully irritating in their message exchange, but she's learned to ignore his particular kind of childishness.

"Oh, and when I arrived I met a scientist; he is quite intelligent and has been studying the Rift, so he may be of help to you in augmenting my systems. He was... very enthusiastic about meeting us." Because he knows them from a TV show. That part is still so baffling that she doesn't mention it.