The humming abruptly stopped. He had nothing against Batgirl, really, except for all the times she stopped Riddler's crimes and beat him up, and he wasn't in uniform, so she wouldn't know who he was. But he might know who she was, now, to add an identity to the voice. Not that it would be useful at all, because he was stuck here instead of back home. Gotham.

And she had a lantern too! Something to talk about.

"I could ask the same of you. I'm Aaron. Barnett. Nice to meet you."

A nod, a significant glance at her lantern. "Nice lantern."