They blink.

Then they straighten, putting a hand over their chest, and sniff. "Yeah. Pr...Lord Frisk. That's me--" and they can't even keep that up before busting into a series of tiny giggles.

They give a shrug. "Not really. Been too long." They live here, and Toriel's not their mom.

"Could be a castle Lord, though. You too!" They point at his circlet. "Nobody really...rules. But dunno if anybody'd actually listen."