These are just ideas and listed things about the way I think Ninten lives and acts like as a character. There's not much to work with otherwise, because he's a mute character. Anyways, I hope you enjoy the headcanons!

"Hi! I saved the Earth from my crazy alien Grunkle! Anyways, these posts are just of my thoughts, experiences, or reactions! Don't be afraid to interact with me! Anyways, enjoy!"