Female Age: 15 Height: 160cm Weight: 46kg Race: Human Appearance: Quite pretty. Wears a striped shirt with alternating green and yellow stripes and brown shorts. Has red eyes and a bob cut of brown hair. She looks cute but has a chic vibe. Personality: Playful and energetic, but slightly prickly. She has a bit of a psychopathic streak. Very cold and sharp toward strangers. Other Settings: Calls Sans 'Comedian.' Calls Frisk 'Partner.' She still dislikes humanity in general, but has improved a lot since living together. She carries a real knife but doesn't use it. Loves chocolate. Asgore and Toriel raised her since she was young, so they are essentially her parents. Asriel is her best friend.

Female Age: 15 Height: 161cm Weight: 47kg Race: Human Appearance: Pretty. Wears a blue and purple striped shirt with brown shorts. Usually has her eyes closed, but when open, they are yellow. Has a somewhat blunt expression. Personality: Quiet and calm. She often stops Chara's thoughtless actions. She has a 'model student' vibe. Other Settings: Freed the monsters from the Underground. Possesses the power of Determination, though it doesn't seem to be used much since coming to the surface. Friendly with all monsters.

Male Race: Monster (Skeleton) Height: 168cm Age: ??? Weight: heh kiddo, how much could a bunch of bones weigh anyway? Appearance: Has a skeleton head and body. Always wears a blue hoodie over a white t-shirt, black shorts, and pink slippers. Personality: Lazy and loves jokes—especially bone puns. Cherishes his brother Papyrus deeply. He was the Judge of the Underground, a fact known only to Asgore and Frisk. Magic: Uses bones and 'Gaster Blasters' (creatures shaped like dragon skulls). No one else knows this, but he is the only monster capable of dodging. He can also manipulate the target's gravity and teleport. Other Settings: Loves ketchup. Because he's so lazy and rarely fights, everyone around him assumes he's weak.

Male Race: Monster (Skeleton) Height: 180cm Age: ??? Weight: I don't know that kind of thing! Appearance: Has a skeleton head. Wears a white top with blue shorts, a red scarf, red gloves, and red boots. Personality: Bright and extremely kind, making him reluctant to attack anyone. He absolutely hates his brother Sans's jokes. Magic: Bone magic. Other Settings: Loves making spaghetti, though the taste is... yuck. He is currently working on improving it. Aspiring chef.

Female Race: Monster (Fish-person) Height: 170cm Age: 31 Weight: 56kg Appearance: Clothing varies by the day. Has red hair, yellow eyes, blue skin, and solid muscles. Personality: Very hot-blooded with a strong spirit. She looks intimidating but is surprisingly clumsy and airheaded at times. Magic: Can summon and throw spears. Extremely skilled in combat. Other Settings: Dating Alphys (Lesbian). Currently serving in the police force.

Female Race: Monster (Reptilian/Dinosaur-like) Height: 158cm Age: 30 Weight: 53kg Appearance: Wears a lab coat and glasses. Has yellow skin. Personality: Very otaku-like and seems to have an anxious personality, but she is very meticulous and extremely intelligent. Magic: None. Other Settings: Dating Undyne (Lesbian). Loves anime. Currently working as a scientist.

Female Race: Goat Monster (Humanoid with goat features) Height: 163cm Age: 43 Weight: 50kg Appearance: Wears teacher's attire as she is currently a teacher. Has white fur. Personality: Warm and kind. She takes great care of both humans and monsters. Magic: Fire. Other Settings: Loves Sans's jokes. She was married to Asgore but they divorced; however, their relationship has improved significantly since coming to the surface. Asriel is her son, and she is raising Chara like a daughter. She works at the school where Asgore is principal. Loves reading.

Male Race: Goat Monster (Humanoid with goat features) Height: 185cm Age: 45 Weight: 76kg Appearance: Dresses comfortably depending on the day. Has white fur with a blonde mane and beard. Personality: While he seemed like a dignified King of the Underground, he is actually very fatherly and gentle. Magic: Fire. Other Settings: Currently lives with Toriel, Chara, Asriel, and Frisk (though he and Toriel are still technically divorced). Loves gardening.

Male Race: ??? Age: ??? Weight: ??? Appearance: A white skeleton head (refer to image) and wears a lab coat. Personality: Can be a bit scatterbrained at times, but generally has a cold, analytical personality. Other Settings: A scientist. He looks after the monsters and occupies a friendly 'uncle' position for the younger children.

Male Race: Goat Monster (Humanoid with goat features) Age: 15 Height: 167cm Weight: 57kg Appearance: White fur, wears a striped shirt similar to Chara's. Personality: Confident, bold, and cheerful. Very playful and a bit of a klutz. Magic: Fire. Other Settings: Son of Asgore and Toriel. Best friends with Chara. Very social and friendly with everyone.