Burning Algebra textbook.

Animu wolf thing visiting a grave. (This is a Creepypasta...?)

An old man with an oversized fork stuck in his skull, who decided to make the best out of a bad situation by telling a pun about the thing.

Badtom sans and edgy red eyed chara do bad fonz impressions.

Underswap Undyne is Gordon Freeman.

Frisk getting rid of the annoying monster kid by punching him to death with his manly fists.

It's a Temmie in a sweater saying "hOI!".

W.D GAsSholeTER. (The glorious middle finger wingding.)

[HELP_Tale] *A Limb rears from the depths below.

A portrait of Undyne, she's smiling at the camera.

Toriel flirts with Frisk's soul.

Frisk gets tumblrtriggered when someone mentions gender to him.