Twisted Bonnie the Rabbit is the secondary antagonist of Five Nights at Freddy's: The Twisted Ones. He is an alternatively counterpart of Nightmare Bonnie from Five Nights at Freddy's 4.
He is clearly based on Nightmare Bonnie, being some sort of demonic version of the already demonic looking Bonnie. He seems completely damaged like his appearance in Five Nights at Freddy's 4, with a more vicious look.
He has a purple glow on his right eye. He has Alien-like inner-jaws filled with many sharp teeth and human-like gums. His fingers also ends up with sharp long claws. He is missing part of his right side.
The Twisted Ones
Twisted Bonnie is a nightmarish animatronic created by William Afton until he and the other twisted animatronics were buried in graves. After Charlotte and her friends find his and the other twisted animatronics' graves. Twisted Bonnie along with the other Twisted animatronics, rise from four graves they were in. They chased Charlie and her friends to another location. He and Wolf were destroyed by Bonnie and Foxy
- He likely resembles an actual alien.