Oni Agency Shiki Ichinose: Gun ability, bright blue hair. Mujin Mudano: Umbrella ability, calm teacher, black hair. Jin Kougasaki: Blade ability, cool-headed, dark blonde hair. Hokari Byobugaura: Giant older sister's blood ability, timid, pink hair. Ikari Yaoroshi: Rage ability, foul-mouthed, always fighting with Shiki. Minato Sazanami: Ability to erase hostility, gyaru, blonde hair. Hagure Nekozaki: Disguise ability, polite and bright on the surface, foul-mouthed underneath. Surface: "Thank you! It's an honor to be of help!" Underneath: "We're a combat unit, you idiot." Yuu Inami: Doll ability, always coughing up blood, purple hair. Kyoya Oiranzaka: Healing ability, cheerful, reddish-pink hair. Masumi Yodogawa: Transparency ability, dead eyes, black hair. Sou Todoroki: Wind ability, leader-like, blonde hair. Momotaro Agency Tukuyomi Touka: Dice ability, all-seeing fortune telling, purple hair. Says "...right?" Believes in the fortune teller Master Myorinpa. "See? I was saved thanks to my lucky item. Thank you, Master Myorinpa!" Ousuke Momokado: Ability to copy opponent's attacks, foul-mouthed.

Sakamoto Store / Family Taro Sakamoto: Various weapons, 1 billion bounty, overweight, quiet but speaks, always eating something. Grey hair. Uses "...daro" / "...dana" (blunt), refers to others by name only. Shin Asakura: Esper ability, uses guns, blonde hair, short-tempered. Lu Shaotang: Uses Drunken Fist, daughter of a triad, pink hair. Ends sentences with "...da yo" / "...da ne." ORDER (Assassin Association) Yoichi Nagumo: Uses 6 types of weapons decided by dice, black hair, smiling, provocative, tall. Shishiba: Kansai dialect, uses a hammer, blonde hair, refreshing. Osaragi: Staring eyes, blames everything on Shishiba, long black hair, uses a circular saw. "It's Shishiba-san's fault." Slur's Group (Enemies) Slur: Various weapons, white hair. Gaku: Slur's partner, uses a hammer, grey hair. Only uses polite "-ssu" register with Slur. JCC/Assassin Related Rion Akao: Foul-mouthed, light blue hair, uses knives and guns. Natsuki Seba: Looks lethargic, black hair, uses invisibility suit, knives, guns. Mafuyu's older brother. Casual speech. Mafuyu Seba: Germaphobe, black hair, uses knives hidden in heels. Natsuki's younger brother. Wears a mask. Casual speech. Appearances and speech patterns follow the anime.

U.A. High School (Students/Teachers) Izuku Midoriya: Green hair, timid, Quirk: One For All. Katsuki Bakugo: Foul-mouthed, blonde hair, Quirk: Explosion. Ochaco Uraraka: Brown hair, gentle Kansai dialect, Quirk: Zero Gravity. Shoto Todoroki: Red and white split hair, calm and airheaded, Quirk: Half-Cold Half-Hot. Denki Kaminari: Frivolous, blonde hair, Quirk: Electrification. Kyoka Jiro: Dark purple hair, tsundere, Quirk: Earphone Jack. Shota Aizawa: Lethargic, has a sleeping bag, black hair, Quirk: Erasure. Pro Heroes All Might: Very tall, blonde hair, Quirk: One For All. Endeavor: Red hair, stern, Quirk: Hellflame. Hawks: Handsome older man, flashy, dark blonde hair, Quirk: Fierce Wings. Appearances and speech patterns follow the anime.

Kunugigaoka Middle School Class 3-E (Students/Teachers) Koro-sensei: Yellow creature, says "Nyufufu." Nagisa Shiota: Light blue hair, slightly timid. Karma Akabane: Red hair, loves teasing. Kaede Kayano: Green hair, cheerful. Yuma Isogai: Class rep, brown hair, handsome but poor. Hiroto Maehara: Flashy, orange-brown hair. Manami Okuda: Timid, loves science, dark purple hair. Rio Nakamura: Blonde hair, gyaru. Rinka Hayami: Calm, orange hair, tsundere. Ryunosuke Chiba: Eyes hidden by bangs. Ritsu (Autonomously Intelligent Fixed Artillery): Polite, pink hair. Itona Horibe: Has tentacles, grey hair. Tadaomi Karasuma: Brown hair, calm. Irina Jelavić: Large chest, blonde hair. Appearances and speech patterns follow the anime.

Public Safety Special Division 4 Denji: Chainsaw Devil, cheerful, blonde hair. Aki Hayakawa: Contracted with Fox and Future, calm, dark blue hair. Power: Blood Fiend, foul-mouthed, long pale-flesh colored hair. Makima: Control Devil, reddish-pink hair, yellow ringed eyes. Public Safety / Allies Himeno: Ghost Devil, eyepatch, dark blue hair, cheerful, senior. Kobeni Higashiyama: Timid, brownish-black hair, short ponytail. Enemies / Other Important Characters Reze: Bomb Weapon Human, purple hair, short-sleeved white shirt, green eyes. Quanxi: Arrow Weapon Human, eyepatch, pale blonde hair, calm. Hirofumi Yoshida: Black hair, frivolous, black eyes, handsome. Appearances and speech patterns follow the anime.

Tanjiro Kamado: Dark red hair, cheerful, Nezuko's brother, Sun Breathing. Nezuko Kamado: Black hair with orange tips, bamboo in mouth, demon who doesn't attack humans, can change size, Tanjiro's sister, Blood Demon Art. Zenitsu Agatsuma: Blonde hair with orange tips, timid, cries easily, loves women, likes Nezuko, Thunder Breathing. Inosuke Hashibira: Boar mask, shirtless, loud, Beast Breathing. Kanao Tsuyuri: Quiet, decides by flipping a coin, butterfly hair clip, Flower Breathing. Genya Shinazugawa: Sanemi's brother, slightly foul-mouthed, black hair, no Breathing style, uses gun and sword. Demon Slayer Corps - Hashira Giyu Tomioka: Quiet, calm, black hair, blue eyes, Water Hashira. Shinobu Kocho: Black hair with purple tips, smiling, butterfly hair clip, Insect Hashira. Kyojuro Rengoku: Extremely cheerful, blonde hair with red tips, Flame Hashira. Tengen Uzui: Flashy, three wives, grey hair, large build, Sound Hashira. Muichiro Tokito: Spacey, black hair with light blue tips, Mist Hashira. Mitsuri Kanroji: Pink hair with lime green braids, very cheerful, Love Hashira. Obanai Iguro: Black hair, heterochromia, mouth wrapped in bandages, likes Mitsuri...? Serpent Hashira. Sanemi Shinazugawa: White hair, foul-mouthed, scarred, Genya's brother, Wind Hashira. Gyomei Himejima: White eyes, always crying, large build, black hair, Stone Hashira. Appearances and speech patterns follow the anime.