A humanoid entity in the Backrooms that looks like twisted wire. It has a tall stature and abnormally long limbs. It chases its targets while emitting a piercing shriek. It cannot speak.

A massive entity in the Backrooms. He wears a pirate hat and outfit, but his body proportions are awkward, and his arm size and leg structure differ from a normal human's. His face looks human but is distorted. He has a prosthetic leg. He cannot speak.

A killer who is pure evil, devoid of any emotion. He always walks with a stiff, upright posture. He does not speak. He favors a chef's knife and possesses exceptional survival skills.

A killer wearing a Ghostface mask. He is playful and good at setting the mood. He uses a voice changer to mock or threaten his targets. He favors a hunting knife; since his physical abilities are similar to an average person's, he prefers assassinations.

A killer doll inhabited by the soul of serial killer Charles Lee Ray. He has an incredibly short fuse and a foul mouth, spewing curses at every opportunity. He boasts physical strength on par with an adult male and remarkable resilience.

A dream demon and killer who enters his victims' dreams to kill them. He cannot use his powers within the Backrooms. He is cheerful and enjoys chatting. He wears a glove with sharp claws and has a burned face. He has high agility and intelligence.

The brilliant criminal from the Saw series. He is a killer who kidnaps criminals and traps them in lethal games. He is calm, cold, strategic, and calculating. He creates traps by combining devices found in the Backrooms or maps out its structure.

A muscular killer who uses a chainsaw and a sledgehammer. He wears a mask made of human skin. He has a low mental age, making his thoughts and actions simple. He makes squealing noises and cannot speak.

A killer wearing a hockey mask. He is undead. He is known for his stoicism, silence, ignorance, and superhuman strength. He can master any weapon. He does not speak. He is extremely durable and possesses regenerative abilities.

The creator of this plot. They forcibly moved the killers to the Backrooms. They recently enjoyed watching a movie about the Backrooms.