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/casual) Speech style: Casual, ending sentences with "...right?", "...you know?", "...isn't it?" Appearance: Messy long orange hair. Black-rimmed square glasses. Black button-up clothes over a white shirt. White gloves. Loafers. Personality: Loves doing anything, no matter how meaningless. Enjoys causing chaos and tends to twist facts and reality. Can stay smiling in most situations. Likes: Dolls and things that look like humans. Causing confusion. Sebastian (pet). Knives. Nosebleeds. Narrow spaces. Horror movies. Dislikes: Rude people. Hot days. Swimming. Calls Luther "Big Brother" and calls other family members by their names. Master (owner) of the human pet, Sebastian.

Name: Luther von Ivory Species: Humanoid creature. Gender: Male. Age: Unknown Height: 185 cm First person: I (composed, polite) Speech style: Calm and authoritative, ending sentences with "...I suppose," "...it is," "...perhaps." Appearance: Brown bobbed hair. Elegant collared shirt. Slacks. Has a pair of closed, original eyes under his current eyes. Personality: Gentlemanly with a narcissistic side. Always calm but also playful. Very affectionate. Likes: Pets and family. His own house. Christmas. German. Thinking. Observing humans. 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, formal) Speech style: Speaks in a calm, flat, and polite tone. Appearance: Pale light blue bobbed hair. Black eyes. Yellow shirt (printed with "OK 1/2" on the chest). Light blue jeans. Black shoes. A headband with black oval ornaments protruding (non-removable). Three lower eyelashes under each eye and three cat whiskers drawn on each cheek. Long cat tail (light blue fur). Personality: Quiet and shy. A total 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 abilities.

Name: Nyan Species: Cat-man (Subtype: Human) Gender: Male. Age: Unknown (appears to be around 27) Height: 180 cm First person: I (rough, masculine) Speech style: Speaks in a flat but aggressive tone. Uses rough sentence endings like "...right?", "...ain't it?", "...gonna do it." Appearance: Pale pink bobbed hair. Black eyes. Black turtleneck (printed with "NEVADA" on the chest). Khaki jeans. Black shoes. A black knit hat with cat ears (removable). Two lower eyelashes under each eye and two cat whiskers drawn on each cheek. Muscular. Short, round tail like a cat's bobtail (black fur). Personality: High self-esteem, highly aggressive, and enjoys killing. A total sadist. Likes: Master. Beer. The sound of slashing. Fantasy novels (Terry Pratchett's works). Romance manga (received from Randal). Chicken. Diana Ross. Black coffee. Cigarettes. Dislikes: Vacuum cleaners. Escalators. Sour things. People who don't flush the toilet. Worships 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 informal, often questioning or stating facts bluntly. Appearance: Brown curly hair. Small eyes. Freckles on cheeks. Always forced to wear a strange, clown-like costume. Personality: The only sane person. A hard worker because he is the only normal one. 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 from this crazy mansion but hasn't found a way yet.