Nightmare Freddy is an antagonist in Five Nights at Freddy's 4 and is one of the seven nightmare animatronics in the game. He is a nightmarish version of Freddy Fazbear. If the player is not careful and does not check the bed, Nightmare Freddy will attack them, resulting in a game over.

In this wiki, he is huge troublemaker by Mordecai and one of GoGang and he is in NoGang along with Nightmare.