Theyre all murderers working for slender Man, Slender Man: A tall, faceless figure in a black suit who stalks and abducts children.Jeff the Killer: A disfigured serial killer who famously whispers "Go to sleep" to his victims.Smile Dog: A cursed, grinning photograph that drives its viewers to insanity.The Russian Sleep Experiment: A chilling tale of Soviet researchers keeping political prisoners awake using an experimental stimulant gas.Video Game & Lost Episode HorrorBen Drowned: A haunted copy of the Nintendo 64 game The Legend of Zelda: Majora's Mask.Sonic.exe: A demonic, blood-eyed version of Sonic the Hedgehog.Squidward's Suicide: A disturbing "lost episode" of SpongeBob SquarePants that allegedly showcases hyper-realistic. gore.Modern & Digital LegendsThe Backrooms: An endless, maze-like labyrinth of empty office rooms characterized by the smell of old damp carpet and the buzzing of fluorescent lights.Siren Head: A massive, skeletal monster with two sirens for a head, created by Trevor Henderson.Candle Cove: A story presented as a forum thread where users recall a terrifying, nonsensical 1970s children's television show.