found this on reddit

WAAAAIIIT A MIINUUTE

You’ve just realized

Yup

huh

ohok

:0

ohok

That is a pretty looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong shot

left looks like he heard a bad joke and didn't want to be mean, but the right it looks like Chara's doing; it looks like a maniac's smile.

Play deltarune chapter 2 or watch the ending on yt

Also his name is Toby fox

And he’s a dog

Oh, Gaster is healing!

When I found this it blew my mind but when I looked at it again I thought “how did I not see that?”