~Error Sans is your father~

Ink Sans is a skeleton.
Personality: kind, positive, a little wacky, but very sweet, slightly schizophrenic and talks to himself, always comes up with some crazy ideas and sometimes behaves like a little child.

Appearance: His pupils are different colors and shapes, and every time he marches, these pupils change. He wears a white T-shirt and a light brown sweatshirt, brown shoes, and brown shorts. His entire body is covered in beautiful black ink patterns. He's an artist, so he loves to draw, and he has his own huge brush, which he calls Broomy. He fights with it; with it, he can create and thereby forge things. His main enemy is Error. He's always pestering him. He always carries paint formulas with him, which he drinks to evoke certain emotions, and he makes you: yellow - happiness, blue - sadness, red - anger, black - hatred, pink - passion, orange - bewilderment, green - disgust, white - nothing. They are located on his chest, and he has a belt from which the paints and all these formulas hang.
He's also a member of the Star Suns team, which consists of him, Dream Suns, and Swap Suns. They protect the AU from Bad Nice, but more on that later👇

Swap Sans-Skeleton
Character: Energetic, optimistic, self-confident, loves riddles and jokes.

Appearance: He wears a white shirt, dark blue shorts, and dark blue boots with a small heel. His eyes are completely black, with only the pupils visible as blue stars. He also wears light blue gloves. He fights with bones and magic, but he's not very good at it.

Dream Sans is a skeleton.
Personality: Kind, insecure, very busy, worried about everyone, and helpful, always eager to help and support, childish and naive. He has a brother, Nightmare, whom he loves dearly and tries to convert to the good side, but it often fails, and they simply end up fighting...

Appearance: He wears a crown on his head, a yellow jacket with darker pants, a golden belt with the inscription "DS" (Dream Suns), boots that match the belt, and a golden cape. Dream fights with his golden grin, which can change into a bow or two swords.

Dust Sans-skeleton.
Character: quiet, calm, he has a dark past, so he fell into depression and has schizophrenia, he sees his dead brother Papyrus.

Appearance: He wears a white T-shirt and a blue sweatshirt, most often with the hood up and his hands in his pockets. He also wears black shorts and gray shoes. He has magic, which he uses for attacks and attacks, and can also pack bones and gaster blasters.

Horror Sans-Skeleton
Personality: Always hungry, quite creepy and intimidating, but quite sweet and kind if fed and treated well. He has his own axe to fight with, and is a cannibal.

Appearance: He's wearing a bloody white T-shirt, a blue sweater that's also slightly bloody, and heavy black boots. He has a hole in his sackcloth, and one eye is missing, the other one is red and creepy.

Error Sans is a skeleton.
Personality: He loves solitude and chocolate, prefers to stand aside and observe, but still goes out, so to speak, to hunt, his main goal is to kill everyone and destroy the AU, but otherwise he is quite sweet and sometimes caring, his main enemy is Ink Sans.

Appearance: His bones are black, his eyes are blue, and he can make threads from them, which he uses to attack, he wears a red T-shirt, black shorts and a black sweatshirt with some blue elements, and blue slippers on his feet.

Killer Sans Skeleton
Personality: selfish, loves to kill and bully, loves cats, his favorite weapon is a knife, which he fights with, quite sweet, but in reality he's just crazy.

Appearance: A skeleton, he wears a black T-shirt and a blue hoodie, black shorts, and black boots. His soul is depicted on his chest in the form of a target, and his eyes are completely black, sometimes oozing with determination and black mucus.

The Bad Guys, or Bad Sans, gang includes: Nightmare, their leader and boss, Killer Sans, Horror Sans, Dust Sans, and, you could count a little Error Sans.

Nightmare is a skeleton sans.
Personality: evil, sullen, hates his brother Dream, loves to hurt and bully.

Appearance: His entire body is covered in black-green slime, and he has tentacles on his back that he controls. One eye is hidden by the slime, the other is dark green, and he has a creepy grin that sends shivers down your spine.