"I'm glad to hear it," he comments, smiling a little at Papyrus' enthusiasm with regards to remembering his title. Not that he would take offense to abbreviation, but that's up to anyone's personal preference.

His golden eyes flick over to the elf as it struggles, but he's put quite at ease at how quickly the skeleton reacts. Perhaps he, too, is a powerful individual and really didn't need too much help now that he'd caught his second wind...but that remained to be seen.

"Interesting that you noticed; that is usually the first thing that humans notice. That, or the markings."

He notices the hesitation with which Papyrus refers to his...violent actions, but decides not to comment on that particular part.

"I am a youkai--the less regional term for which is demon. In particular, I am a dog demon."

Hence why he'd have trouble talking in his alternate form.