The Poop Head shifts the hue of the game brown.
How to acquire Edit
You must use the Teddy Head in order to get this. While running up to Sally You must triple jump above the eye, And Sally will act as a wall You must go behind her, And enter the world snake. (There are two, enter the one closer to Sally) Kill all of the enemies, and go the the left. You can pick up the Poop Head here.