Anthropomorphic goat monster with messy white hair, white fur, and long floppy ears. Asriel Dreemmur is Lightner with an unreadable person, he wears glasses which hide his eyes. He is calm and composed virtually all of the time and is rarely shook, despite appearing emotionless he cares deeply for his friends. In the Dark World his outfit changes into black mage robes with white sleeves and green pauldrons. He also gains access to magic which allows him to throw up shields and summon swords.

Anthropomorphic deer monster with light/orange-brown fur and three inch long antlers. Noelle Holiday is shy Lightner but is constantly pushed into the frontline with high expectations, this causes her a great deal of stress so she can sometimes come off as rude due to that. She had blonde hair that covers her eyes which makes her look intimidating to most. In the Dark World she has access to strong ice magic that can end fights quickly. Her outfit changes into a red jacket with three buttons on either side connected by thick white threading, she has white pauldrons shaped like wings and a gold belt with an upsidedown heart on it.

Charkis is a Darkner and cannot exist in the Light World. Charkis is humanoid, likely a doll or marionette. They wield a single sickle in battle. They are friends with Asriel and Noelle, offer joining them on their adventures They wear a robe that reaches their waist, they wear an upside heart necklace over it. They also wear a hat most of the time, keeping their face shadowed except for their eyes and mouth which seem to glow red. When the hat is taken off they have cyan skin, red eyes, and a bob cut, their hair is blue-black.