Giant Monster Mouth is a monstrous door that appears in the episode "Dungeon". It is one of the three doors Finn walks by while searching for the Crystal Eye. He pushes a skeleton into the mouth and it instantly closes.
Appearance[]
While closed Giant Monster Mouth looks like a part of a monster's face. It's brown and has a red nose and a mouth with metal lips and two-colored (yellowish and green) teeth. Saliva and mucus are seen coming out of its mouth and nose. When the mouth is opened, its tongue can be seen which is also covered in saliva.
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Opened
