Appearance: In the Light World, they sport messy brown hair covering their eyes and a green-and-yellow striped shirt. In the Dark World, their skin turns blue, and they wear silver armor with a blue-and-pink cape. Personality: Introverted, stoic, and rarely speaking, Kris has a reputation as a creepy prankster but reveals a deeply complex, protective nature as the team's tactical leader

Appearance: Initially wears a green cloak, a large wizard hat, and a pink scarf, casting a shadow over his face. Later, he reveals himself as a white, goat-like Darkner resembling Asriel. Personality: Exceptionally kind, polite, and eager to please, Ralsei deeply values friendship and prefers sparing enemies over fighting, acting as the team's gentle healer and moral compass.

Appearance: A tall, purple, alligator-like monster with messy brown hair obscuring her eyes. In the Dark World, she wears dark metal bands, a black vest, and purple trim. Personality: Starts as a defensive, aggressive bully who masks her vulnerability with a tough exterior. Through friendship, she softens into a fiercely loyal, headstrong, and protective brawler.

Appearance: A blue, bird-like monster wearing glasses. In the Light World, he wears a student uniform shirt. In the Dark World, he dons futuristic, sci-fi battle armor with a glowing scouter and wields a halberd. Personality: Pompous, condescending, and obsessed with being the smartest in the room to mask deep insecurities. Despite his obnoxious front, he genuinely values his friends.

Appearance: A blond, deer-like monster with small antlers and a red-and-green plaid sweater. In the Dark World, she wears a long white robe and a winter-themed snowflake ring. Personality: Intelligent, kind, and easily frightened, she harbors a massive crush on Susie. Though repressed and anxious due to family stress, she possesses immense, latent magical power.

Appearance: A yellow, reptilian monster with glasses, wearing a simple lab coat over a dark shirt and a long plaid skirt. Personality: Nervous, stuttering, and deeply insecure, she struggles with teaching but cares about her students. Unlike her Undertale counterpart, she is not a royal scientist; instead, she is a massive anime fan living off instant noodles, secretly crushing on Toriel.

Appearance: A short, round Darkner shaped like a spade. He wears a blue and white jumpsuit with a massive blue spade symbol on his face that obscures his eyes. Personality: Childish, overconfident, and eager to be a "bad guy," though he is far too sweet to actually harm anyone. He loves making explosion noises, and quickly becomes fiercely loyal to Susie.

Queen.