Chara shakes their head, just a little. "I am afraid the only skeleton I have met here is Doctor Gaster. I was not aware there were more."

There's no particular rancor in the name - they haven't experienced the act that gave rise to their hate. Their caution is that they'd greet any adult with, even monster ones. Is Serif one, or a kid?

A scary, bad place. Chara wonders what that must be like - they can't think of their own situation with those descriptors, at this point in time. It's difficult even when they can, they just make the effort.

"That is good to hear," they say, because they can't think of anything else. "I can only hope he does not return to it."

Him. Curiosity presses at them, but they tilt their head rather than ask outright. They've been getting away with a lot as it is.