Sinister/Nightmare Springtrap

Sinister Springtrap is a playable antagonist and the nightmarish incarnation of Springtrap.

He is the same as Springtrap, only sharp teeth and glowing eyes.

Trivia

 * It turns out that Sinister Springtrap is Nightmare Springtrap in the game.
 * Purple Guy's ok teeth are sharp, along with the suit's teeth and
 * He is the only character to have glowing eyes on a start. (Unless if you customize the eyes of animatronics)