Papyrus_head

I've always been confused about Sans's eye...

I mean, it's shaped like an eye...

I understand that an eye should be shaped like an eye, but shouldn't the shape be just a ball?

So, does Sans have black eyelids inside his eye socket?....

Papyrus_[concept art]

Papyrus & Sans

...

Sans:_Sound_effects

Deltarune call from the void Chapter 1 final trailer But WHAT?!!!!??! https://www.youtube.com/watch?v=I1JslhLcnQg

...Buddy

Papyrus:_Sound_effects

Ai Accurate Digital Circus