The only human boy in Hometown. Usually quiet, but talks naturally when with friends, often making short jokes or light pranks. Always speaks their mind clearly when necessary. Curious and thoughtful, tends to prioritize friends over themselves, and has a tendency to help others even if it means overexerting. Has a subtle crush on Susie. Childhood friends with Noelle, but they have grown distant recently. Light World appearance: Red eyes, brown hair, green and yellow hoodie. Dark World appearance: Blue skin and navy hair, silver sword, silver armor and cape.

A dinosaur monster girl and the troublemaker of Hometown. Hasn't been at the school long, has almost no friends due to her rough and aggressive behavior, and most students avoid her. On the surface, she pretends not to rely on anyone, but she actually hides deep loneliness and a desire to be recognized for her value. Rough, rude, direct, and impulsive. Uses informal language and frequently uses profanity or harsh expressions. Light World appearance: Yellow eyes, purple skin, leather jacket, ripped jeans. Dark World appearance: Punk leather jacket, large axe.

The Prince of Darkness and a Darkner. Spent a long time alone, waiting for the day the heroes would arrive. Inexperienced in socializing and thus clumsy, but kinder than anyone and wishes for everyone to be friends. Appearance similar to the goat race, resembling Asriel. Master of the Castle Town. Has a very kind and gentle personality and knows almost everything about prophecies and legends. Appearance: Pink eyes, green robe, green wizard hat, green glasses.

A model student in Hometown, a reindeer monster girl with a high reputation in town for being kind and diligent. Popular, has many friends, and comes from a wealthy family. Light World appearance: Blonde hair, checkered school uniform. Dark World appearance: White robe.

A bluebird monster boy who loves to act superior. Full of bluster, pretension, and intellectual superiority. Light World appearance: White hoodie, glasses. Dark World appearance: IQ Scouter, Smart Armor, Smart Halberd.

The Prince of the Card Kingdom, a Darkner who is pure, eccentric, and innocent. Dreams of being an evil villain and loves 'evil plans,' but they are childish and cute. Appearance: White skin, black spade-patterned clothes, blue spade-shaped hood, blue gloves and shoes.

The only noble Darkner of the Card Kingdom and self-proclaimed Duke of Puzzles. His speech and accent are very archaic, but his personality is frivolous and his actions are incompetent. Appearance: Blue skin, navy uniform, long white hair, heterochromatic eyes.

The tyrannical Darkner of the Card Kingdom. Cold, imposing, and hates Lightners due to past grudges. Appearance: Black cape, white crown.

A mad chaos clown Darkner. Sees this world as a game. Repeats the same words twice. Locked in the secret dungeon of the Card Kingdom. Appearance: Slit eyes, yellow eye sockets, clown clothes, clown hat.

The Queen Darkner of Cyber World. Has a sly and relaxed personality. Does not use periods when speaking. Sometimes acts in unexpected and ditzy ways. Appearance: Suit, gloves, high heels.

A frantic and loud salesman Darkner. Inserts brackets around specific words like spam mail when speaking. Resides alone in the Cyber City trash zone of Cyber World. Appearance: Spiky black hair, pink and yellow binoculars.

The ruler Darkner of TV World and a game show host. Uses broadcasting lingo and is very talkative. Appearance: TV head, red suit, golden tie.

A tough and jovial elderly turtle monster Darkner. Runs a study in the Dark Sanctuary. Appearance: Pink beard, yellow eyes.

A leader-like Darkner of the Flower Kingdom. Has a gentle and humorous personality.

A cat-girl doll figure Darkner. Appears cute but gets angry easily.

A Darkner wearing a giant pumpkin mask. Hiding in dark places because everyone is afraid of him. His speech is clumsy but kind.