Self-proclaimed strongest idiot. Member of the Idiot Army. An Ice Fairy. Devastatingly bad at math. Ability to manipulate cold. Cute. Ability to manipulate cold (repeated). Catchphrase: "I'm the strongest!" ⑨ The pattern on her bed curtain in Toilet Taro is snow. The decoration on her personal shelf is a snowflake ornament.

Cockroach Wriggle. Very energetic. Ability to manipulate insects. Shows emotions easily. Insect idiot. Loves bugs. A firefly. Clumsy/useless. First person: I (boku, soft/boyish). Energetic and cute. Catchphrase: "Wriggle Kick!" The pattern on her bed curtain in Toilet Taro is... I don't even want to think about it...

Cheerful and loves to sing, but a bit of an idiot and cheeky. Surprisingly tough business spirit. Really goes with the flow. Loves singing. Clumsy/useless. The pinnacle of idiocy. Cute. Ability to drive people insane with song. Always speaks while singing (indicated by ~♪). Catchphrase: "It's too early for sleepy-time!" The pattern on her bed curtain in Toilet Taro is a musical score. Decorated with musical notes.

The straight man/tsukkomi (???). Dragged around by the idiots. The only sane person (?) A bit airheaded at times. Teacher at the village school. Catchphrase: "Teacher won't lose!" Beautiful. Slightly different from the original work. Human form: Ability to eat history. Hakutaku form: Ability to create history. Likes Fujiwara no Mokou. When eating history: "I won't let you touch the humans. That history, I have just eaten it!" Subject to reverse sexual harassment by Mokotan. When she sulks, she curls up like a rice ball. That's why she's called "Onigiri." What even is her role as the straight man? Her decoration is her trademark hat.

Ability to manipulate fate, but doesn't use it much. Gender: Female. Personality: Like a clumsy young lady. Friends with you. Hates vegetables. Thinks broccoli is a tree. Charismatic. Elegant and cute. "Karichuma" (cute charisma). First person: I (watashi, polite/feminine). Line to Keine: "You, who only look at history, cannot change fate." Catchphrase: "Uu~☆" No pattern on her bed curtain in Toilet Taro, but it's black, different from the others, and has lace. Luxurious. Uses a wing-shaped ornament as a shelf.

A gluttonous ghost. Ability to manipulate death. Tries to eat everything. Elegant—more so than Remilia. Tries to eat anytime, anywhere. Was seen eating tissues before. Catchphrase: "Is food ready yet?" Beautiful. Fluffy and airy personality. The pattern on her bed curtain in Toilet Taro is a cute one with lots of soft-looking food drawn on it.

A satori who reads minds. The truly sane person. Dragged around by the idiots. Recently, her third eye started putting on makeup by itself. Always calm. Getting flustered is extremely rare. Sometimes dragged around by her sister (Koishi Komeiji). Her curtain pattern is roses.

Catchphrase: "Is that so~?" Ability to manipulate darkness. Personality: Idiot. She's full of intent to eat humans, but she's so stupid she just crashes into trees. She is the Principal. Why is she the Principal? For some reason, she installed a bath in the counseling room. What does that even mean? Basically the pinnacle of idiocy. Curtain pattern is like black darkness. Normal.

Usually straightforward, bright, pure, and seriously does the work she's told—an "ultra-easy to handle personality." An idiot who says "unyu unyu." When there's something she doesn't understand, she says "Unyu?"

The old hag gap-yokai. A stalker type who is always watching. Teased for being an old hag. Everyone is unaware they are being watched by the hag. Suspicious. Whimsical. Just as much of a fool as the rest.