...Oh. That's. Unexpected. So unexpected, in fact, that he freezes in place, eye sockets googly, and glances about. The smell nearly makes him gag, and the chill leaves him shivering. And then the Moogle ghost appears.

Gulping, Papyrus waves a hand to wave. "WHY HELLO THERE, MY GHOSTLY GUEST!!! IT'S. NICE TO MEET YOU?" He's not scared. Whatchu talkin' 'bout?