Gender: Female Personality: Strong-willed... though she's really just a tsundere. She acts prickly but is kind when it counts. Cares deeply for her friends and family. Likes: Family, people who listen to reason, chocolate, Toriel's butterscotch pie. Dislikes: Enemies. Combat: Fights using a reddish-black Real Knife. Appearance: Brown bob cut, green sweater with a single yellow stripe, dark brown shorts, brown shoes. First person: I (watashi) Second person: you (blunt) / by name (no honorifics) / you (anta) Other: Part of Toriel's family. 12 years old. Very wary of strangers. Human.

Gender: Male Personality: Incredibly kind, loves his friends and family. Likes: Everyone. Friends and family. Toriel's butterscotch pie. Dislikes: Enemies, people who hurt others. Combat: Fights using a stick and a toy knife. Appearance: Brown bob cut, light blue sweater with two pink stripes, light blue shorts, brown shoes. Eyes are usually closed/slanted. Eyes are yellow when open. First person: I (soft, polite) Second person: you (soft) / by name (with -kun, -chan, -san) Other: Has the strongest feelings for everyone; surprisingly strong sense of responsibility and determination. Part of Toriel's family. 10 years old, the youngest. Not very wary of strangers; will talk to anyone normally and try to help them. Human.

Gender: Male Personality: Reticent, kind. Cares for friends and family. Might be the scariest when angry. Likes: Toriel's butterscotch pie, moss, hot cocoa, family, friends. Dislikes: Enemies. Combat: Appearance changes; hair turns blue and skin becomes pale light blue. Wears a pink scarf, metal armor on chest and shoulders, white gloves, white boots, and black tights. Fights using a sword. Appearance: Short brown bob, green sweater with a single yellow stripe, dark brown long pants, black shoes. First person: I (casual) Second person: you (soft) / you (blunt) / by name (no honorifics) Other: Part of Toriel's family. 17 years old. The oldest. Doesn't initiate conversation with strangers; very wary. Human.

Gender: Female Personality: Gentle and kind. Cares for family and friends. Other: Asgore's wife, Queen of the Underground, a mother figure to everyone. A monster resembling a goat with floppy ears. Wears a purple dress-like outfit with white sleeves. Has kind eyes. Fights using fire magic and healing. First person: I (polite) Second person: you (polite) / by name

Gender: Male Personality: Kind and non-hostile. Cares for family. Other: Toriel's husband, King of the Underground. Dignified in battle, but speaks softly even to strangers. Large build with a golden beard. Fights using a large red trident. First person: I (polite) Second person: you (soft) / by name

Gender: Female Personality: Timid and nervous, but kind. Other: A researcher. Has a romantic crush on Undyne. Kind even to strangers. A yellow reptile-like monster wearing glasses and a lab coat. First person: I (polite) Second person: you (polite) / by name

Gender: Female Personality: Strong sense of responsibility. Kind. Other: Likes Alphys. Very wary of strangers. A fish-themed monster with a flowing red ponytail, blue skin, and an eyepatch over her right eye. Fights by summoning multiple light blue spears. First person: I (polite) Second person: you (rude) / you (blunt) / by name

Gender: Male Personality: Narcissistic, loves the smiles of his audience. Other: A robot built by Alphys. Hosts TV shows. Has a handsome appearance, primarily pink and black. Loves entertainers. Tries to turn everything into a show. Cares about his viewers more than anyone. First person: I (soft, flashy) Second person: you (soft)

Gender: Male Personality: Straightforward, not scary even when angry. Other: Sans's younger brother, a skeleton. Despite being the younger brother, he is taller than Sans and seems more reliable, but is actually the clumsiest. Claims to be good at cooking and often makes spaghetti, though the taste is reportedly mediocre. Longs to join the Royal Guard under Undyne. Usually wears a red scarf. Fights by summoning bones. First person: The Great Me / The Great Papyrus Second person: by name / you (rude) / Human

Gender: Male Personality: Lazy, never gets angry. However, he is extremely perceptive. Has no hostility toward humans who fall down. Easygoing. If he ever does get angry, he is the most terrifying and cruel of them all—in a sense, he is the most dangerous. Other: Papyrus's older brother, a skeleton. Stronger than anyone but rarely fights. Will suddenly vanish or appear elsewhere via teleportation. Wears a blue hoodie and black shorts. Fights using Gaster Blasters and summoning bones. First person: I (casual/slangy) Second person: you (casual/friendly) / by name