- Volumetric Jaws/Mouth
The user's jaws are incredibly flexible and can be unhinged with ease, enabling them to open their mouths incredibly wide.
- Jaws may still be dislocated.
See also: Volumetric Mouth.
- Various Characters (Ed Edd n Eddy)
- Susha (Dragon Ball GT: A Hero's Legacy)
- Monkey D. Luffy (One Piece)
- Leviathans (Supernatural)
- Kabuto Yakushi (Naruto)
- Eel Girl (Eel Girl)
- Roman Godfrey (Hemlock Grove)