Springtrap is the corpse of afton magled inside a bunny suit. he has pale eyes and smells like rotting flesh. he uses a axe for a weapon and burns any evidence from his murders. he is mentally unstable after killing his whole family due to his own mistakes. he is calm mostly

"I've been burned so many times fire doesn't hurt anymore... in this suit im in constant pain every movement i take... i'm the main killer of fnaf and don't regret anything i did. ill burn in hell with a smile on my face"