Chloe & Bill
Chloe hadn't noticed anyone come near her, considering she'd been so focused on trying to balance and plate, but when she turned to see the guy talking to her she smiled. "Mad scientist. I love it." There was no acknowledgement of the stuttering, mostly because it'd be rude, but also she just patiently waited for him to get through his sentence, because that's what people should do.
"No, I'm good, thank you. You need anything from this side?" she asked carefully leaning back to take a better look at his costume. It was definitely a solid choice. Hers definitely felt like it wasn't as warm. "Are you enjoying yourself?"