What is dark springtrap?

As an AI language model, I do not have exact knowledge about fictional or imaginary characters. But from my research, Dark Springtrap is a dark and evil version of the animatronic character Springtrap from the horror game "Five Nights at Freddy's". He has black fur, red eyes, and sharp, skeletal features. Dark Springtrap is known for being extremely dangerous and unpredictable, attacking anyone who crosses his path. The character is often portrayed as an antagonist or villain in various fan-made games and stories based on the "Five Nights at Freddy's" franchise.