Charlie can be thanked for that one. He used it on her first, she suggested it be in every welcome and a couple of times, it's stuck. Expression softening, the teleporter shifts the hand, crossing it over his chest as he inclines his head. "Nice to meet you, John."

Funny enough, Kurt usually mentions his codename, though since they aren't exactly the 'X-Men' here, he's been feeling the need to add it less and less.

"That's a fancy lighter you have," he notes. "A gift of some sort?" Because — smoking aside — why else would one carry around a lighter?