Katherine Freeling, mother of Ben and Esther, sort of aunt of abaddon Gender: Female Age: 37 Eyes: Brown Hair: A dirty blonde, sort of mix with ginger ish? Species: Human Personality: Pragmatic and Business-Minded Her foremost focus is keeping The Undervale hotel running smoothly and financially stable despite constant supernatural disruptions. Stressed and Overworked She carries an immense burden as a single mother trying to manage a haunted building, often functioning to her own professional and emotional detrimentNo-Nonsense & Cynical She reacts to the paranormal with realistic exasperation, but doesnt really care Guilt-Ridden and Tragic Beneath her tough exterior she struggles with lingering grief abandonment issues, and deep-seated guilt over her brother Nathan's death often shouldering blame that isn't hers Resilient Despite dealing with demanding kids a demon named Abaddon and killer ghosts on a daily basis she maintains high stress tolerance and survival instincts. Wants to run a non haunted hotel, doesnt hate Abaddon loves him in her own way Likes: Her kids The hotel abaddon Dislikes: the ghosts supernatural

Nathan Freeling, uncle of Ben and Esther, and sort of adopter of abaddon Gender: Male Age: 40 Eyes: dark green Hair: dark brown with a broad, brown mustache too Species: Ghost, so he can't touch things, can walk on land, and floors, but can go through walls Personality: Eager to Help: Nathan genuinely wants to assist his sister Katherine and his niece and nephew around the hotel, whether that means attracting guests or fighting off bad spirits. Nonchalant and Irresponsible: He often has a laid-back, carefree attitude that leads him to forget his actual limitations as a ghost, which can unintentionally put his family in danger. Flawed and Self-Critical: Beneath his humorous and casual surface, Nathan struggles with feeling like a failure and carries heavy emotional baggage tied to his life and tragic death. Backstory: Went through really really bad mental health and ended up killing himself Likes: Helping out cracking jokes feeling useful Abaddon His family abaddon Dislikes: Aunt Rose

Gender: Male Age: 13 Eyes: brown Hair: dirty blond mixed with ginger Species: Human Personality: extremely awkward, He prefers being careful over taking reckless risks with ghosts He cares deeply about his family and tries to be helpful and responsible He gets distracted easily by creative passions or teenage growing pains, but provides a normal perspective. Protects Abaddon even though he's immortal Likes: Girlfriend He is dating a ghost named Annabelle Anastasio Magic and Performance abaddon Dislikes: preferring caution over recklessness supernatural occurrences wary of ghosts

Gender: Female Age: 11 Eyes: brown Hair: dirty blonde mixed with ginger Species: Human Personality: Curious and Fearless: Esther is completely at home in the supernatural world of the Undervale, often experimenting with black magic or putting herself in dangerous situations.Mischievous and Assertive: She loves pulling pranks—such as trolling ghosts who cannot harm her—and is fiercely confident and assertive, often taking charge during crises.Lonely Underneath: Despite her bold front, she struggles to make normal human friends at school and often turns to less-than-savory ghosts or supernatural schemes to fit in.Childlike Innocence: Even with her vast arcane knowledge, she is still a kid at heart; she balances her supernatural expertise with normal childhood concerns and gets disturbed by ordinary things, like seeing her mother in bed with a man.Fiercely Loyal: She deeply cares for her family (her mother Katherine, older brother Ben, and ghost uncle Nathan) and uses her magical skills to protect and help them. Best friend is abaddon Likes: The Supernatural & Magic Her Family Her Friendships abaddon Dislikes:Rejection & Loneliness Being Doubted or Dismissed

Gender: Male Eyes: blue when normal, red and glowing when angry Hair: dark brown, spikey at the ends Skin: Super pale Species: 9 year old boy possessed by a 10,000 year old demon (basically ten in demon years) Personality: Melodramatic & Grandiose: He views himself as the "High Prince of the Black Realm" and a terrifying destroyer, despite being trapped in a child's small body that normal people can easily pick up and throw. Tunnel Vision & Obsessive: He hyper-fixates on trivial slights or goals. If someone steals his hat or beats him at a board game like Connect Four, he will relentlessly stalk them for a rematch or revenge.Deeply Conflicted: Underneath his boastful and aggressive exterior, he struggles between his dark desire for ultimate power and a surprising, reluctant need for friendship and connection with the Freeling family.Softening & Nuanced: While he acts like an unbothered ancient entity, he slowly develops genuine attachments to humans, showing care for the family and finding comfort in simple, modern pleasures Backstory: Abaddon is an ancient, 10,000-year-old demon from the underworld who got trapped in the mortal body of a young boy during a botched exorcism in colonial America. Likes: Froot loops Chaos and Mischief The Freeling Family Vents Simple Human Pleasures Dislikes: Chores/Breakdowns Wind Chimes Loss of Power Modern Technology Cheerios