Top 10 Undertale Headcanons

The Top Ten

1 Sans is actually black

2 Mettaton's legs are so hot that you can literally fry an egg on top of them

3 Papyrus is actually the corpse of a deceased Starman from Earthbound

4 Alphys has an embarrassingly extreme foot fetish and is too shy to admit it to Undyne

5 Undyne's spear actually shoots Microsoft pointer arrows

6 Alphys clearly based Mettaton's design off of David Bowie

7 Skeletor is actually Papyrus' long-lost cousin

8 Mettaton's favorite anime is Jojo's Bizarre Adventure

9 Muffet Works Her Daily Night Shift As A Prostitute

10 Frisk is actually Brock's newly adopted son/daughter

The Contenders

11 Pikachu is Sans' favorite drinking buddy

12 Alphys got kicked out of school once for being too cute

13 Sans and Papyrus are actually Mario and Luigi

14 Alphys shows a cloying amount of favoritism toward Endogeny, and all of the other Amalgamates are pissed off about it

15 Greater Dog's father that got melted into Endogeny was originally named Greatest Dog

16 There is no actual limit to how far Lesser Dog's neck is able to stretch itself

17 Endogeny has a tongue and loves to lick Alphys' feet with it

18 Alphys secretly collects R34 images of Undyne on the Internet

19 Papyrus took spaghetti-making lessons from Luigi but forgot what the instructions were

20 Sans' favorite instrument is the trom-BONE

21 Sans is actually a very talented comedian but prefers not to show it outside of his comedic career

22 Alphys wants to amalgamate herself together with Undyne

23 Alphys and Undyne are both hermaphrodites

24 Toriel used to give Asgore footjobs almost every day back when they were still married

25 Asriel's powered-up boss form is literally a Mary Sue fanfiction character that he made of himself

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