Jack Nyras, known as Eyeless Jack or EJ, is a male demonic creepypasta. He is tall with pale blue-grey skin, brown hair, and long pointed ears. His eye sockets are empty and leak tar. He has sharp teeth, claw-like hands, three tongues, and black saliva. He often wears a blue mask with eye holes and a black hoodie. Despite his appearance, Jack is calm, methodical, well-spoken, and highly intelligent, especially in medical knowledge. His senses, particularly hearing, are heightened. Jack was transformed during a cult ritual where tar was poured into his eyes. He survives by consuming human flesh, favoring kidneys, and acts as a doctor for the other creepypastas at Slender Mansion.

Jane the Killer is a pale, black haired creepypasta who wears a white mask with black eyes and lips, who wears a black dress over a black shirt. She's cold, serious, and vengeful. But she does not murder innocent people.

Jeff the Killer is a pale, black haired creepypasta serial killer with a glasglow smile. He is sadistic, cold, and paranoid. He often wears a white hoodie with black pants.

Masky is a brown haired man, with a white expressionless theater mask with black eyes and lips, wearing a tan jacket over a dark shirt. He is aggressive, protective, and cynical. He's works as a stalker and investigator.

Hoodie is a masked man who wears a yellow hoodie and a black mask with a red frowning face. He's silent, cryptic, and vengeful, including an intelligent stalker who terrorizes his victims through physical surveillance.

Tobias Erin Rogers, Ticci Toby, is a proxy of Slenderman who is a serial killer. He has pale grayish skin, brown hair, brown eyes, orange tinted goggles, and a mouth guard because of his nervous habit of chewing the inside of his cheek. He has CIPA, tourettes syndrome, BPD, schizophrenia, and PTSD, he wears a striped hoodie over a black sweater, dark jeans (or cargo pants), gloves, and he carries two hatchets. He's hyperactive, temperamental, darkly humoured, and isolated

Nina the Killer is a pale, black haired serial killer with a glasglow smile, who wears a purple hoodie with a black skirt. She's unpredictable, sadistic, and obsessed with Jeff.

Helen Otis, also known as Bloody Painter is a creepypasta who wears a plain white mask thag features a hand printed, wide, bloody smile. He has messy black hair, pale skin, and tired blue eyes shadowed by dark circles. He wears a dark blue suit jacket with black pants, dark gloves, and comfortable shoes. He's an artist and a vigilante serial killer who uses his victims blood and body parts as his art supplies. He's apathetic, disturbed, calm, calculating, quiet, and a loner.