The Stalker is a entity that likes to hide in dark rooms, he stalks the player once you encounter him for the first time and he appears in certain rooms throughout the game (not randomly), he walks around slowly around the room but doesn't chase you or kill you. He will jumpscare and kill the player if you touch him. He is a melted, nightmare infused version of scratch cat using many versions of its limbs and head. Its eyes glow in the dark. his origins are he was a scratch cat who was kidnapped like you to be experimented on by the evil scientists.