Nightmare Freddy is an antagonist in Five Nights at Freddy's 4. It is one of the seven nightmare animatronics(ten if the Halloween Edition animatronics and Plushtrap are counted) in the game, and is again the titular antagonist. He is the nightmarish variant of Freddy Fazbear. If the player is not careful and does not check the bed frequently enough, Nightmare Freddy will attack them, resulting in a game over.

Classification: Nightmare Animatronic

Powers and Abilities: Pseudo-teleportation, summoning (Can summon Freddles/Can be summoned with enough Freddles), self-sustenance (Types 1, 2, and 3), stealth mastery, inorganic physiology(Type 2), possibly minor technology manipulation (Is likely the one who causes the lights to flicker), natural weaponry (via claws and teeth)|All previous abilities, Superhuman physical characteristics, immortality (Type 2), possibly enhanced senses

Attack Potency: Street level(Not only can they utilize their hard claws and teeth, their body's size is bigger than that of a human)|Street level(Can casually kill the player. Comparable to the other animatronics, like Rockstar Freddy, Rockstar Foxy, and Mr. Hippo who can pull themselves apart, tear apart and slice/cut apart humans. Can damage the human skull)

Speed: Unknown, at least Average Human(Can blitz a child)|Superhuman (Can blitz the player, comparable to the other animatronics)

Lifting Strength: At least Average Human (Comparable to the other nightmare animatronics)|Class 1 to Class 5 (Comparable to the other animatronics who can tear the player apart. This would include ripping the limbs, and likely the head, off the body)

Striking Strength: Street level|Street level

Durability: Street level (Composed of hard metal)|Street level

Stamina: Superhuman, due to being a robot|Superhuman, due to being a robot

Range: Standard melee range|Standard melee range

Standard Equipment: None

Intelligence: Unknown|Average(Can speak and understand English; Comparable to the other animatronics)

Weakness: Light can make the Freddles go away.

Note: The FNAF 4 key is going by how powerful the character is in the Crying Child's illusions, due to UCN confirming that the characters in that game were only dreams.