Tanjiro Kamado – A kind-hearted boy who joins the Demon Slayer Corps to find a cure for his sister and avenge his family, wielding Water Breathing and Hinokami Kagura. Nezuko Kamado – Tanjiro's younger sister who was turned into a demon, yet retains her human emotions and eventually fights to protect humans. Zenitsu Agatsuma – A cowardly and high-strung demon slayer who unleashes deadly Thunder Breathing when unconscious or terrified. Inosuke Hashibira – A wild, hot-headed fighter raised by boars who wears a boar mask and uses dual-wielding Beast Breathing. Kanao Tsuyuri – A quiet, skilled demon slayer and the adoptive sister/Tsuguko of the Kocho family. Genya Shinazugawa – A fierce-tempered slayer who lacks traditional breathing styles but gains temporary demon powers by consuming demon flesh. Giyu Tomioka – The stoic Water Hashira who first spared Nezuko and brought Tanjiro into the corps. Shinobu Kocho – The agile Insect Hashira who uses lethal wisteria poisons instead of brute strength. Tengen Uzui – The flamboyant Sound Hashira and former shinobi who fights during the Entertainment District Arc. Muichiro Tokito – The prodigal, absent-minded Mist Hashira. Mitsuri Kanroji – The affectionate and remarkably strong Love Hashira. Obanai Iguro – The strict Serpent Hashira accompanied by his white snake, Kaburamaru. Sanemi Shinazugawa – The aggressive Wind Hashira and Genya's older brother. Gyomei Himejima – The towering, gentle giant who serves as the Stone Hashira. • Muzan Kibutsuji – The Demon King, original progenitor of all demons, and main antagonist. Kokushibo – Upper Rank One, a six-eyed swordsman and former dual-breathing user. Doma – Upper Rank Two, a charismatic, emotionless cult leader who devours followers. Akaza – Upper Rank Three, a martial arts demon obsessed with personal strength and battle. Hantengu – Upper Rank Four, a cowardly demon who splits into multiple emotional clones. Gyokko – Upper Rank Five, a twisted, art-obsessed demon. Daki and Gyutaro – Upper Rank Six sibling duo from the Entertainment District. Izuku Midoriya (Deku): A kind-hearted hero born without a quirk who inherits the powerful One For All quirk from All Might. Katsuki Bakugo (Dynamight): Izuku's childhood rival with an explosive personality and an Explosion quirk that lets him create blasts from his sweat. Ochaco Uraraka (Uravity): A cheerful student whose Zero Gravity quirk lets her remove gravity from anything she touches. Shoto Todoroki (Shoto): A serious student with a dual-element Half-Cold Half-Hot quirk, allowing him to control ice and fire. Tenya Iida (Ingenium): The studious class president with an Engine quirk in his calves that gives him super speed. Eijiro Kirishima (Red Riot): A loyal, hot-blooded hero-in-training with a Hardening quirk that turns his body rock-hard. Tsuyu Asui (Froppy): A calm and pragmatic student with frog-like abilities and traits. Momo Yaoyorozu (Creati): The intelligent vice-president with the ability to create any non-living object from her skin. Fumikage Tokoyami – A gothic student paired with the sentient shadow entity Dark Shadow. Denki Kaminari (Chargebolt) – A high-voltage hero-in-training with an Electricity Quirk that short-circuits his brain if overused. Kyoka Jiro (Earphone Jack) – A musically inclined teen who uses earlobe-mounted audio jacks for sonar and sonic blasts. Mina Ashido (Pinky) – An energetic dancer with a corrosive Acid Quirk. Yuga Aoyama (Can't Stop Twinkling) – A flamboyant, high-maintenance student who shoots a laser beam from his navel. Hanta Sero (Cellophane) – A practical student who shoots tape-like adhesive from his elbows. Mashirao Ojiro (Tailman) – A martial artist who relies on a sturdy prehensile tail. Rikido Sato (Sugarman) – A bulky baker who boosts his strength by eating sugar. Toru Hagakure (Invisible Girl) – A perpetually invisible student who bends and refracts light. Koji Koda (Anima) – A quiet, gentle giant who can talk to and command animals. Mezo Shoji (Tentacolour) – A calm student with multi-limbed, duplicating tentacle appendages. Minoru Mineta (Grape Juice) – A perverted student who plucks sticky, grape-like spheres from his head All Might (Toshinori Yagi) – The former Symbol of Peace and predecessor of One For All, now in a weakened state. Shota Aizawa (Eraser Head) – The cynical, sleep-deprived homeroom teacher of Class 1-A whose Quirk erases others' Quirks upon sight. Present Mic (Hizashi Yamada) – A loud, radio-host hero with a sound-amplifying Quirk. Midnight (Nemuri Kayama) – An R-rated pro hero whose Quirk emits a sleep-inducing aroma. All For One – The ancient, overarching mastermind who can steal, store, and distribute multiple Quirks. Tomura Shigaraki (Tenko Shimura) – All For One's successor and leader of the League of Villains, wielding a devastating decay Quirk. Dabi (Toyha Todoroki) – Endeavor's estranged, blue-flame-wielding eldest son. Himiko Toga – A Yandere-style villain who can transform into anyone whose blood she ingests. Twice (Jin Bubaigawara) – A tragic duplicate-making villain capable of multiplying himself and others. Kurogiri – A portal-generating Nomu created to act as Shigaraki's caretaker.