54N5 4V5!!!

My favorite is Shattered Dream, idk he’s just cool looking, i love the concept of dream eating a black apple and turning evil, but maybe it’s just me simping for him lmao

Mines dream sans or killer sans lolz

Fell Sans, cause he's a big emo baby. uwu

unexpectedly, my favorite au is Underlust, Few people know the history of au... But i like!! 🦋 Also I love lust sans sm 🌼🍄✨✨

My fav is like fresh cuz he got cool sunglasses !!

Can't go wrong with classic tho <3

My favorite is either Ink Sans or Swap Sans! Hard to decide XP

My favorite sans AU is actually Cross sans, despite the fact Dust is my PFP. Ofc I'm a sucker for all the bad guys though lmao

I LOVE KILLER SANZ SM!!! and geno sans!!!!! and swap these 3 means me a lot :D and my fav ut character is chara and moster kid !!

Thats a really tough one for me!!
I would say Cross or Handplates!Sans, but thats mostly because those two are my favorite AUs

Probably a popular choice, but Ink's a cool guy. I like him. He's silly

i personally like fell sans he holds a place in my heart for no reason an i also like  mafia fell sans

faral!error and ink sans :3

Def Ccino :) I also like fresh tho, his glasses are pretty cool

Dusttrust Sans. That's all i will say. Dusttrust Sans is my favorite.

Dream!swap Error and the original

Absolutely love Fresh, I think he's a funny guy but also I can't go wrong with Horror Sans. IDC if it's fanon or canon, I love him.

I LUVVVV FREZH, and alzo Ink!!!

I love Error he is so cute, and my bf Dust :P

My favorite is Nightmare o(*°▽°*)o

my favourite is cross because he shares the same soul as chara who is my favourite ut character

my dream, error and freshink i just rlly like them

i dont rlly like sans all that much, but my fav  is fell papyrus if it counts!!!!!! 

Underswap Sans. He's silly.