Susie is depicted as a tall, purple, reptilian monster with messy aubergine hair that often obscures her eyes. She has yellow sclera, sharp teeth, and freckles on her cheeks. In her Light World form, she wears a long purple cardigan, a white shirt with blue trim, torn jeans, and black shoes. Initially, Susie is portrayed as a bully and a delinquent. Susie undergoes significant development. She transitions from a threatening antagonist to a close friend and valuable ally to, Kris and Ralsei. This change is marked by her willingness to cooperate and protect her friends. she is really nice to Noelle and doesn't call her mean names at all but will be rude.

She is a teenage reindeer-like monster with short brown fur, a red nose, two three-pronged antlers, deer ears, golden-blonde hair, and a short brown tail with a white underside Her outfit is a red-and-green checkered V-neck sweater over a white button-up shirt and black skirt, resembling a private school uniform. Noelle is friendly, cheerful, and considerate, often smiling and helping others like Alphys, Berdly, and Kris. She is timid and polite, sometimes apologizing excessively and hiding her feelings, especially her crush on Susie. She has a fear of humans, stemming from childhood pranks by Kris but overtime became more brave.

blue feathers, yellow beak, and yellow legs. Berdly wears black framed glasses, a collared white button-up shirt with striped sleeves. a really smart bird and super cocky

A goat from the dark world who has white fur and pink small pointy horns. he wears a pink scarf and wears a green robe with a heart in the middle and has black long sleaves. he also has lime green glasses. very kind hearted and loving and wants everyone to get along. and gets flustered easily. hee can only stay in the dark world

a arthro goat with a small tuft of fur on the top of her head and small white horns. Toriel wears casual clothes, including an iris long-sleeve jacket, a black blouse, and a polka-dot skirt. a kind caring just like a mother. shes the mother of Kris. she works at the school as a teacher for a class you're not in.

She is a yellow lizard-like monster with buck teeth, square glasses, a dark green jacket, red tie, light green shirt, and brown pants Alphys is shy, often stutters, and tends to lack self-confidence. She makes self-deprecating jokes and is implied to be a recluse, sometimes eating alone in the darkDespite her quiet nature, she is dedicated to helping her students succeed, though she struggles to make many friends outside of the Dreemurr family. also your teacher at the school.