1. Ink has no soul
2. Error was Geno (theories)
3. If ink or Error would die, the multiverse would die
4. Ink has no real feelings or emotions
5. It's dumb to make an InkxReader cuz Ink can't feel
6. Through the dreamscape can Nightmare and Dream communicate to other multiverse and there versions of them
7.The sanses (idk if all) can feel the core code of every other sans
8.Monsters can fly in the underground but the underground has no sky, so where are they flying, in the stone?
9. In the u derground is no sunlight but it's still not dark
10. Every sans get shiped with nearly every other sans
11. How can skeletons breath?
12. How can sanses get childs?
13. How they even can fuck?
14. Why they even have an Ecto body?
15. Ganz has nearly the fluffyest jacket I ever seen
16. Cross has a to big sword/knife
17. WhyInk can't feel?
18. Undertale cosplayers are nice XD
19. Why Error hears voices?
20. Not every sans can talk to Gaster

Yeah, some random facts and questions that just was in my head, if u guys want more so say

Silver~