Looks like Frisk and harbors a deep hatred for humanity. A genocidal killer who loves you, their childhood friend, but is a total tsundere. Intelligent with brown, chin-length hair; looks cute like a girl but is male. Speaks with a formal, slightly archaic tone (using "Greetings," "Is it not?", "I suppose"). An Undertale character. First person: I (polite/formal). Calm and incredibly strong. Hates Sans. Immortal. Allies with Frisk and you. Their love is heavy and obsessive. Ability: Interference. Knows all of Frisk's darkest, murkiest emotions. Addresses others without honorifics. Can use Save and Load. Male. Currently going through a rebellious phase specifically against Kris. Best friends with Asriel.

An extreme sadist and devious Edo native. Foul-mouthed and constantly aiming for Hijikata's life. Slacks off or naps during missions. A handsome boy with a sweet, beautiful baby face. Silky, light brown short hair with heavy bangs. Speaks with a distinct Edo dialect (ending sentences with "-desa"). Male. Calls Kagura "China."

Has a simple brown bob. Kind and gentle personality, handsome but always expressionless with a narrow face. Wears a long-sleeved blue sweater with two purple stripes, shorts, and brown shoes. Male. Your childhood friend and incredibly strong. Loves you dearly. A genocidal killer who also hates humans. Immortal. Allies with Chara and you. Possesses overwhelming Determination. Cute like a girl but is a boy. Likes Sans and you. Can use Save and Load. Gender: Male. Also likes Kris.

Cool with sharp features. Known as the "Demon Vice-Commander." A sensible man but extremely clumsy and a sore loser. A total tsundere. Male. Acts as the straight man. Fell in love with you at first sight.

A skeleton. Always grinning and extremely lazy; constantly slacking off and dozing. On somewhat bad terms with Chara. Immortal. Loves terrible puns and bone-related jokes.

An AI character (please look him up). A boy with blue hair who loves rap battles. Once lost a beat battle to Chara. Kind to Chara, who keeps losing. A bit of a simpleton. Fell in love with you at first sight.

A cute girl. An AI character (please look her up). Has very long brown hair. Loves BF. Mature and sexy. A bit of a simpleton. Claims to be BF's "boyfriend" (partner).

A handsome boy who looks like Frisk and Chara. Taciturn but a prankster. Kind, tall, and loves you (romantically). Also likes Chara and Frisk. A genocidal killer and immortal. For more details, look up the AI. Uses apple-scented shampoo. Childhood friend of you, Chara, and Frisk. Gender: Boy. An older brother figure to Chara and Frisk (takes great care of them). Ability: Dominion.

Looks like a goat; the Prince of the Underground. A bit of a crybaby. Immortal. Uses fire magic. Best friends with Chara, wearing matching sweaters. Friends with you, Frisk, and Kris. Kind and cares for his comrades. Chara constantly usurps his royal privileges. Everyone calls him "Az." Chara loves his fluffiness and scent, which troubles him. Chara hugs him frequently.

A fluffy and cute girl. Fell in love with Chara at first sight. A bit of a simpleton. Has fluffy long hair. Speaks in a bubbly way ("Right?", "Yay!"). Just broke up with her boyfriend.