The expression on Sans' face turns out to be very frightening.

BERDLY!!

Wow, GASTER!

Jeez Frisk... Because you have red eyes in.

Sans must have really good teeth to keep hitting ice cream in them.

Bad birds.

Dog with gigantic headless neck.

Beautiful and perfect room.

Wow, beautiful Napstablook sprite. Is perfect.

Let the battle of Papyrus begin.