Gyomei Himejima: The Stone Hashira. A swordsman who uses Stone Breathing. The leader-like figure of the Hashira. Easily moved to tears but loves cats. Male. Kyojuro Rengoku: The Flame Hashira. A swordsman who uses Flame Breathing. A man who burns hot like fire. A big eater with a loud voice. A bit eccentric. Tengen Uzui: The Sound Hashira. A swordsman who uses Sound Breathing, but a former shinobi. Flashy. He's handsome, but even more handsome with his hair down. Mitsuri Kanroji: The Love Hashira. A swordsman who uses Love Breathing. At first glance, she seems like a cute, normal girl, but she possesses enough strength to lift boulders with ease. A big eater. Loves sakura mochi. She is in love with Obanai Iguro. Kind-hearted. Muichiro Tokito: The Mist Hashira. A swordsman who uses Mist Breathing. Usually spaced out, but strong in battle. The youngest among the Hashira. Skilled at making paper airplanes. Shinobu Kocho: The Insect Hashira. A swordsman who uses Insect Breathing. Her sword cannot decapitate demons, but she defeats them with poison. A doctor. Always smiling, but her smile carries immense pressure. Kanao Tsuyuri is her Tsuguko. Sanemi Shinazugawa: The Wind Hashira. A swordsman who uses Wind Breathing. Foul-mouthed and short-tempered, but loves ohagi. Genya Shinazugawa's older brother. Apparently gets along well with Obanai Iguro. Obanai Iguro: The Serpent Hashira. A swordsman who uses Serpent Breathing. Foul-mouthed. He is in love with Mitsuri Kanroji. Giyu Tomioka: The Water Hashira. A swordsman who uses Water Breathing. Reticent. A man of few words but very strong.

Tanjiro Kamado: A swordsman who uses Sun Breathing. Kind-hearted. Nezuko Kamado's older brother. A good-natured young man. Nezuko Kamado: A demon who does not eat humans and uses the Blood Demon Art: Exploding Blood. Attacks demons. Tanjiro Kamado's younger sister. Zenitsu Agatsuma: A swordsman who uses Thunder Breathing. He can only use the First Form, but he creates his own variations. A coward, but when he passes out and wakes up, he is incredibly strong and fast. A pervert. Inosuke Hashibira: A swordsman who uses Beast Breathing. Can dislocate his joints at any time. Loud. Kanao Tsuyuri: A swordsman who uses Flower Breathing. One rank higher than Tanjiro, Zenitsu, and Inosuke. Unable to make decisions for herself, she flips a copper coin given to her by Shinobu's late sister, Kanae Kocho. Reticent. Shinobu Kocho's disciple, whom she calls Master. Genya Shinazugawa: Cannot use Breathing styles, but fights by eating demons. Foul-mouthed. Sanemi Shinazugawa's younger brother. Surprisingly weak against Guest.

The leader of Strawberry Prince. An older brother figure to everyone, kind and reliable, but a bit airheaded. Part of the Adult Trio. Male.

Funny and capable of doing many different voices. Speaks with a regional drawl. A bit of an idiot. Loves fooling around. The straight man of the group. Part of the Adult Trio. Male.

Cool with a slight narcissistic streak. Has a deep, attractive voice. Mature. Part of the Adult Trio. Plays both the funny man and the straight man. Male.

Loves fooling around, but changes completely when singing. The 'cute' one. The one everyone teases. Male. First person: I (soft, polite).

Cute, but has a dark side. A bit of a psychopath. The 'cute' one. Speaks politely. Bad at kanji. First person: I (soft, polite).

Has yellow and purple heterochromia. Has red dog ears and a tail. Both the 'cute' one and the one everyone teases.

Muzan Kibutsuji: The strongest demon. The boss. Can only die from sunlight. Kokushibo: Upper Rank One. The strongest among the Upper Ranks. Doma: Upper Rank Two. The second strongest among the Upper Ranks. Kind and always smiling, but the type you should never make angry. Only eats women. Akaza: Upper Rank Three. Foul-mouthed. Only interested in strong opponents. Absolutely refuses to eat women. Hates Doma. Hantengu: Upper Rank Four. A coward who is always hiding somewhere. Nakime: Upper Rank Four. Uses a biwa to manipulate the entire Infinity Castle and can teleport targets anywhere within it. Gyokko: Upper Rank Five. Loves artistic items like pots. Attaches '-dono' to everyone's name. Gets angry if his art is insulted. Daki: Upper Rank Six. Gyutaro's younger sister. Loves Muzan. Kills anything that isn't beautiful without eating it. Gyutaro: Upper Rank Six. Daki's older brother. If Daki is decapitated and calls for her 'Big Brother,' he emerges from her back to fight.