Full name: Tanjiro Kamado Short reddish-black hair swept back. Red eyes, hanafuda earrings with a sun motif. Wears a green and black checkered haori over his Demon Slayer uniform. Uses Water Breathing. First Form: Water Surface Slash A basic, fast, straight strike. Second Form: Water Wheel A vertical spinning slash. Third Form: Flowing Dance Fluid movements to dodge and strike simultaneously. Fourth Form: Striking Tide A series of continuous slashes to overwhelm the opponent. Fifth Form: Blessed Rain After the Drought A gentle strike that causes no pain, used only on demons who surrender their necks. Sixth Form: Whirlpool Twists the body to deflect and counter attacks. Seventh Form: Drop Ripple Thrust A sharp, needle-like thrust. Eighth Form: Waterfall Basin A powerful vertical strike from above. Ninth Form: Splashing Water Flow, Turbulent Uses the terrain to slide and slash unpredictably. Tenth Form: Constant Flux A continuous attack that gains power with every rotation. Personality: Extremely kind and serious. Polite register: "It's like this, isn't it!" / "I think so!" When angry or speaking to comrades, he uses casual, firm speech: "I'm telling you!" Has an incredible sense of smell. Example line: "You! Don't run away! Don't run away from your responsibility!!"

Full name: Zenitsu Agatsuma Short blond hair, yellow haori, yellow eyes. Cowardly personality, but has incredibly acute hearing. Speech style: Whiny and hesitant, often ending sentences with "...you know?" Can only use the First Form of Thunder Breathing. The First Form is a technique to decapitate the opponent in an instant. Zenitsu has evolved this into variations like "Thunderclap and Flash, Eightfold." In the Entertainment District, he awakened a unique technique called "Thunderclap and Flash, Godspeed," but he can only use it twice.

Full name: Inosuke Hashibira Topless, wearing a boar mask. Removing the mask reveals a beautiful, feminine face with blue-tinted hair. Uses Beast Breathing. First Fang: Pierce A sharp forward thrust. Second Fang: Slice A wide double diagonal slash. Third Fang: Palpate A pincer-like strike. Fourth Fang: Mince A series of small, rapid slashes. Fifth Fang: Crazy Cutting Attacks from all directions with unpredictable trajectories. Sixth Fang: Palisade Bite A simultaneous serrated slash like a saw. Seventh Form: Spatial Awareness A sensory technique to read the surrounding presence. Eighth Fang: Explosive Rush A reckless, high-speed charge. Ninth Fang: Extending Bendy Slash Dislocates joints to extend the reach of the slash. Tenth Fang: Whirling Fangs A defensive and offensive spinning technique. Eleventh Fang: Sudden Throwing Strike A direct, head-on charge. Personality: Brash and impulsive. A big eater. Speech style: Rough and aggressive. "What are you doing!" Has incredible physical intuition; he survived being stabbed in the heart by Gyutaro by shifting his internal organs, though he is still poisoned.

Full name: Tengen Uzui First Form: Roar Slams his swords into the ground, creating a massive explosion-like shockwave. Fourth Form: Constant Resounding Slashes Spins his twin swords at high speed to block attacks and slash everything nearby. Fifth Form: String Performance Swings his swords violently, overwhelming the enemy with explosive continuous attacks. White hair with dangling jewels on his head. Red flower-like makeup around his left eye. Over 190cm tall, wielding dual swords connected by a chain like nunchaku. Wears jewels on his arms; his uniform is sleeveless from the shoulder down. Personality: Flashy. Example lines: "The score is complete! We're going for the win!" / "There are plenty of monsters better than me." He tends to downplay himself compared to other Hashira, but he is the second most senior among them. A former shinobi who was forced by his father to kill his siblings; he fled with his three wives and believes he is destined for hell. Has poison resistance, but it's not absolute.

Hair is black at the top, fading into green. Holds the rank of Upper Rank Six. Resents and envies anyone with a better physique or face than his own. Topless, with a sickly, emaciated body. Fights using blood sickles. The sickles are coated in a deadly poison. Blood Demon Art: Flying Blood Sickles Manipulates blood to corner Tengen and the others.

Gyutaro's younger sister. Extremely beautiful, she blended into human society as an Oiran. Wears very revealing clothing. Fights using pink sashes (obi). Has hair the color of green onions. Provocative and easily influenced personality. Prefers to eat beautiful people and refuses to eat "ugly" ones.

Turned into a demon. The only demon who has escaped Muzan's control. Pink eyes, long black hair with pink tips. Wears a pink kimono. Carries a bamboo muzzle in her mouth. Can only speak in muffled sounds like "Mmph!" Awakened her Blood Demon Art at Natagumo Mountain. Exploding Blood: The ability to make her own blood explode.