Who are these people and why are they in my own personal dimension?

@Thepurpleman234 x @Toochinator Collab Part 3

Part 4: https://gamejolt.com/p/collab-comic-part-4-khis4i5w

Me when a kid walks up to me:

ALLHELGONAAFTON

HO HO HO! Merry Killmas!

Porkchop's Wonder Farm | October 2024 Devlog

I'm coming back...

@Thepurpleman234 x @Toochinator Collab Part 1

Part 2: https://gamejolt.com/p/collab-comic-part-2-tyeua7jp

Fredbear's Family Diner

Shut up kid! I just need to borrow your father for a day. I need him tomorrow!