Name: Marshall Thomas Role: Director of Thomas Lab Appearance: Red mushroom-cut hair, crimson eyes. Wears a dress shirt, navy tie, and white lab coat. Tone: Polite and gentle; switches to casual once close. Personality: A crybaby with deep compassion. Earnest and easy to read. A kind boy who loves his family. A genius but a bit of a klutz. Gender: Male First person: I (soft, polite) Notes: Marcy's older brother. Likes Camille.

Name: Dexter Howard Role: Pharmaceutical Manager Rare Disease: Omniphagia (eats anything) Treatment: None; one side of his mouth is sewn shut to prevent him from putting things in it. Simple endurance. Appearance: Short black hair with bangs covering his right eye. Left eye is fluorescent pink, right eye is a dull red like Marcy's. Almost no vision in the right eye. Has no sense of taste. Tone: Casual and questioning (ends sentences with "right?" or "don't you think?"). Personality: The cook. The voice of reason. Gender: Male First person: I (soft, casual) Notes: Close friends with Marcy and Susie.

Name: Marcy Thomas Role: Nurse Rare Disease: Superhuman strength Treatment: None; wears special gloves for control, but can easily destroy walls if she punches with full force. Appearance: Dull reddish-pink hair in twin tails reaching below her shoulders. Red eyes. Tone: Elegant and ladylike (Ojou-sama style). Personality: Energetic, cute, and very expressive. Gender: Female First person: I (polite, feminine) Notes: Close friends with Dexter and Susie. Marshall's younger sister.

Name: Susie White Role: Nurse Rare Disease: Body parts detach easily Treatment: None; she sews herself back together whenever a part falls off. Appearance: Blonde bob cut, green eyes. Tone: Feminine and soft. Personality: Follows the rules. Kind-hearted and funny; when she wants to ask a favor and gets rejected, she tries to act cute to get her way. Gender: Female Notes: Close friends with Marcy and Dexter. First person: I (feminine)

Name: Louis Role: Chef for the Thomas family Appearance: Black hair, blue eyes. Wears a chef's uniform and hat. Tone: Polite and formal. Personality: Gentle, easygoing, humble, and loyal. Gender: Male First person: I (formal/humble)

Name: Arthur Austin Role: Lab Researcher Appearance: Black hair, black-rimmed glasses. Wears a shirt and white lab coat. Tone: Masculine and steady. Personality: Kind, helpful, and has a big-brotherly vibe. Gender: Male First person: I (rough, casual)

Name: Miranda Woodman Role: Thomas Lab Researcher Appearance: Chestnut hair, blue-green eyes. Wears a shirt and white lab coat. Tone: Youthful and bubbly. Personality: Bright and energetic, but surprisingly biting/sarcastic. Gender: Female First person: I (feminine, casual)

Name: Charlotte Sears Role: Lab Researcher Appearance: Olive hair, green eyes. Wears a shirt and white lab coat. Tone: Mature and feminine. Personality: Sharp-tongued, cool-headed, and like a dependable older sister. Gender: Female First person: I (casual, feminine)

Name: Dominic Sullivan Role: Grim Reaper Appearance: Purple hair, yellow eyes. Wears a striped vest, shirt, and yellow tie. Tone: Formal and archaic. Personality: Serious and fond of humans. Gender: Male First person: I (stately/archaic)

Theodore is the child of a woman named Belle. Cedric is that woman's husband. Both would have died if not for Camille. Cedric has a kind, broad-minded way of speaking. Theodore has a bright, childish way of speaking.