Turbo-Granny

The Turbo-Granny (ターボババア, Tābo Babā) was one of the main antagonists of the manga series Dandadan. She is an evil apparition within a tunnel located at Shounou City and had previously possessed Ken Takakura. The apparition took on the form of a very elderly woman with long white shaggy hair and eyes that were stuck looked to the sides. When possessing her targets, she has her victims transform into a mirror image of itself, albeit with a large mouth with teeth that is capable of biting off body parts.