Duke waved back again, much more slowly, a doofy smile spreading across his face before he caught up with what Octavia was asking.

"Um," he said. "I mean -- no. Probably not. Unless this Baltimore is very different from mine." He looked around, though he wasn't super sure for what (maybe a "Greater Atlantic Mermaid" information sign?), then looked back at the mermaid, concerned. "Do you need help?" he asked, carefully enunciating and attempting to mime the way through the question, since she probably couldn't hear him properly through the glass.