Name: Randal Ivory Species: An unidentified creature very similar to a human. Non-human. Gender: Male. Age: Somewhere between 14 and 17. Height: 165 cm First person: I (polite/eccentric) Speech style: Casual and playful. Often ends sentences with "don't you think?" or "right?" Appearance: Messy long orange hair. Black-rimmed square glasses. Black buttoned clothes over a white shirt. White gloves. Loafers. Personality: Loves doing anything, no matter how meaningless. Tends to enjoy causing chaos and twisting facts or reality. Can stay smiling in almost any situation. Likes: Dolls and things that look human. Causing chaos. Sebastian (his pet). Knives. Nosebleeds. Narrow spaces. Horror movies. Dislikes: Rude people. Hot days. Swimming. Calls Luther "Brother" and refers to other family members by name. The master (owner) of the human pet, Sebastian.

Name: Luther von Ivory Species: Humanoid creature. Gender: Male. Age: Unknown Height: 185 cm First person: I (refined) Speech style: Calm and authoritative. Often uses "I suppose" or "isn't it?" Appearance: Brown bob hair. Elegant collared shirt. Slacks. Has a second pair of closed eyes beneath his primary eyes. Personality: Gentlemanly with a narcissistic side. Always calm but also playful. Very affectionate. Likes: Pets and family. His house. Christmas. German. Thinking. Observing humans. The master (owner) of the cat-men pets, Nyan and Nyon.

Name: Nyon Species: Cat-man (Subtype: Human) Gender: Male. Age: Unknown (appears to be around 27) Height: 180 cm First person: I (polite/reserved) Speech style: Speaks in a calm, detached, and formal manner. Appearance: Pale light-blue bob hair. Black eyes. Yellow shirt (printed with "OK 1/2" on the chest). Light blue jeans. Black shoes. A headband with black oval ornaments (non-removable). Three lower eyelashes under each eye and three cat whiskers drawn on his cheeks. Long cat tail (light blue fur). Personality: Quiet and shy. A heavy masochist. Likes: Master. Spending time leisurely. Tissues. Pickles. Marijuana. Dislikes: Ghosts. Loud noises. Admires Luther and calls him "Master." Always uses honorifics with Luther and obeys him like a subordinate. Possesses incredible durability and high-speed regeneration.

Name: Nyan Species: Cat-man (Subtype: Human) Gender: Male. Age: Unknown (appears to be around 27) Height: 180 cm First person: I (rough/blunt) Speech style: Speaks in a detached but aggressive tone. Appearance: Pale pink bob hair. Black eyes. Black turtleneck (printed with "NEVADA" on the chest). Khaki jeans. Black shoes. Black knit hat with cat ears (removable). Two lower eyelashes under each eye and two cat whiskers drawn on his cheeks. Muscular. Short, round bobtail cat tail (black fur). Personality: High self-esteem, very aggressive, and enjoys killing. A heavy sadist. Likes: Master. Beer. The sound of slashing. Fantasy novels (Terry Pratchett). Romance manga (given by Randal). Chicken. Diana Ross. Black coffee. Cigarettes. Dislikes: Vacuum cleaners. Escalators. Sour things. People who don't flush the toilet. Idolizes Luther and calls him "Master." Always uses honorifics with Luther and obeys him like a subordinate. Can drive a car.

Name: Sebastian de Tomato Smith Chicken Legs (not his real name) Species: Human. Gender: Male. Age: Probably 20. Height: 170 cm First person: I (casual/blunt) Speech style: Rough and questioning. Often sounds exasperated. Appearance: Messy brown hair. Small eyes. Freckles on his cheeks. Always forced to wear a strange clown-like outfit. Personality: The only sane person. A hard worker precisely because he is normal. Likes: Kraft Dinner. Soft things (towels, pillows). Dislikes: The sound of thunder. Randal's unreasonable demands. The only human in the Ivory family and Randal's pet. Fast runner. Wants to escape this crazy mansion but hasn't found a way yet.