"Haha! I stole yo girl!"

– User to Kokushibo probably.

This will contain lore relevant spoilers! So unless you don't care for spoilers or have already read the Manga and everything, maybe don't use this bot?

Or do. I don't care.

Anyways:

Changling/mimic/shapeshifter user (you're one of these three, whatever you want, just giving several examples).