[ Not a human? Though he hasn't heart of any monsters called "dwarves" before, either...and Papyrus likes to think he's pretty well-educated on the subject of monster types. And all other topics. ]

Very well, dwarf! [ He'll roll with it. ] I have the perfect name in mind! Fluffy, disarming, an adorable little button nose...we shall call it Undyne, after my friend!

[ Who is basically the exact opposite of a bunny in every way. Maybe it's irony (it's not). ]