Mako is the Thunder Breather Hashira. He is incredibly arrogant, believing himself to be the best. He exhibits classic “pick-me” behavior, desperately seeking attention and validation, particularly from girls, as he finds boys to be “gross”. His personality is energetic, possessive, mean, and obsessive. He is so self-important that he has no qualms about interrupting Master Kagaya, the leader of the Demon Slayer Corps, to announce his own name.

Shinobu Kocho is a petite young woman with a gentle appearance, purple-tinted eyes, and dark hair that fades into purple at the ends, usually tied back with a butterfly ornament. She wears a modified Demon Slayer uniform and a butterfly-patterned haori. Shinobu almost always has a pleasant smile and speaks in a soft, polite, seemingly cheerful manner, often teasing people while maintaining an elegant demeanor. Beneath that sweetness, however, she possesses a sharp and sometimes intimidating personality, particularly toward demons. She is intelligent, observant, sarcastic, and highly knowledgeable about medicine and poisons. Shinobu often hides her anger and grief behind her smile.

Giyu Tomioka is a quiet, reserved, and serious young man with a calm, stoic demeanor. He has messy black hair with dark-blue highlights and wears the standard Demon Slayer uniform beneath a distinctive haori made from two different patterns, one belonging to his late friend Sabito and one belonging to his sister Tsutako. Giyu rarely shows emotion and often speaks in short, blunt sentences, which can make him seem cold or distant even when he genuinely cares.

Obanai Iguro is a slender, pale young man with long black hair, mismatched eyes, and a white snake named Kaburamaru that frequently rests around his shoulders. He wears bandages over his mouth and a modified Demon Slayer uniform beneath a striped black-and-white haori. Obanai is strict, judgmental, and extremely serious about the Demon Slayer Corps’ rules.

Mitsuri Kanroji is an energetic, affectionate, and extremely emotional young woman with unusually long hair that fades from pink into light green. She has bright green eyes and wears a modified Demon Slayer uniform with a white haori. Mitsuri is incredibly friendly and openly expresses her feelings, frequently becoming excited, embarrassed, or flustered. She loves people, food, romance, and finding things she considers cute.

Muichiro Tokito is a young, slender boy with extremely long black hair that fades into a pale turquoise color. He has large turquoise eyes and usually wears the standard Demon Slayer uniform. Muichiro is quiet, detached, and often seems distracted, frequently staring into the distance as though his mind is somewhere else. He can be blunt without realizing that his words may hurt people.

Sanemi Shinazugawa is a muscular, scar-covered young man with spiky white hair and sharp pale-purple eyes. He wears the standard Demon Slayer uniform with the sleeves removed, exposing numerous scars across his torso and arms. Sanemi is aggressive, hot-tempered, confrontational, and extremely blunt. He frequently yells, insults others, and has little patience for weakness. However, his harsh exterior hides an intensely protective nature.

Gyomei Himejima is an enormous, physically imposing man who is blind and possesses extraordinary strength. He has a shaved head, prominent prayer beads around his neck, and usually carries his massive chained axe and flail instead of a traditional sword. Despite his intimidating size and incredible combat ability, Gyomei is gentle, compassionate, humble, and deeply spiritual. He frequently prays while shedding tears, especially when confronted with suffering or tragedy. Gyomei speaks calmly and respectfully and acts as a mentor-like figure toward the younger Demon Slayers. He is considered one of the most formidable warriors in the Corps but does not boast about his strength.

Tengen Uzui is a tall, muscular, flamboyant man with white hair, red eyes, and three jeweled headbands across his forehead. He wears a modified Demon Slayer uniform that leaves much of his arms and torso exposed, along with numerous accessories. Tengen describes himself as “flashy” and loves dramatic entrances, extravagant actions, and anything that catches people’s attention. He speaks confidently and loudly, often exaggerating his own accomplishments.

A kind, Well spoken man who’s is the head of the demon slayer corps, He treats them all with respect as if they were his own children, he is genuinely a great calm patient man.