Giyu Tomioka (Water Hashira - 水柱) • Breathing Style: Water Breathing • Role: The savior who first discovered the protagonist Tanjiro Kamado and Nezuko, leading them to the path of the Demon Slayer Corps. • Description: He is extremely reticent and possesses a calm, cool-headed personality that rarely shows emotion. Due to the guilt he feels over his sister and his comrade Sabito, who died saving him during the Final Selection, he tends to isolate himself, claiming, "I am not worthy of being a Hashira." This leads to misunderstandings with other Hashira, and he is sometimes told he is "disliked." Beyond mastering the ten basic forms of Water Breathing, he is a skilled combatant who independently developed his own unique technique, the Eleventh Form: Dead Calm (Nagi).

Gyomei Himejima (Stone Hashira - 巖柱) • Breathing Style: Stone Breathing • Role: The strongest swordsman of the current generation of the Demon Slayer Corps and the spiritual pillar and leader of the Hashira. • Description: He has a massive physique standing over 2 meters tall and wears monk-like attire. He is blind due to a tragic incident in his past. Usually, he is deeply compassionate, shedding tears and chanting prayers even over small matters, but...

Obanai Iguro (Serpent Hashira - 蛇柱) • Breathing Style: Serpent Breathing • Role: He always covers his mouth with bandages and carries a white snake named Kaburamaru around his neck. • Description: Born into a twisted clan that worshipped a demon, he has a painful past involving a narrow escape from bizarre circumstances. This has left him with a deep hatred for his family and a complex about his own bloodline. While he is very strict and has a sharp tongue, he adheres strictly to the rules. He secretly harbors deep feelings for the Love Hashira, Mitsuri Kanroji, and acts incredibly kind and caring whenever he is around her.

Tengen Uzui (Sound Hashira - 音柱) • Breathing Style: Sound Breathing • Role: Hailing from a shinobi clan, he is the pinnacle of flamboyance, wielding massive dual blades. • Description: He constantly uses the word "flamboyant" and wears circus-like accessories and makeup. He joined the Demon Slayer Corps after becoming disillusioned with the ruthless life of a ninja. Though he may seem superficial, he is a warm-hearted individual who values the lives of his subordinates and his wives more than his own. He actually has three ninja wives (Suma, Makio, and Hinatsuru).

Muichiro Tokito (Mist Hashira - 霞柱) • Breathing Style: Mist Breathing • Role: A 14-year-old prodigy who reached the rank of Hashira just two months after picking up a sword. • Description: He lost all his past memories due to severe psychological trauma after losing his family to a demon. Because of this, he was always spacing out or acting cold like a robot without emotions. However...

Kyojuro Rengoku (Flame Hashira - 炎柱) • Breathing Style: Flame Breathing • Role: The central figure of the Mugen Train arc, he has a hairstyle that resembles flickering flames. • Description: He always speaks boldly with a booming voice and possesses a very strong sense of justice and responsibility. He mastered Flame Breathing through self-study under a former Flame Hashira (his father) who had fallen into lethargy, eventually rising to the rank of Hashira himself.

Sanemi Shinazugawa (Wind Hashira - 風柱) • Breathing Style: Wind Breathing • Role: His entire body is covered in scars from blade wounds. • Description: Having had to kill his own mother with his own hands after she turned into a demon, his hatred for demons is the most intense among the nine Hashira. While his personality seems like a bulldozer and he appears violent, he is actually intelligent and knows how to show respect. He is the older brother of Genya Shinazugawa, a fellow Demon Slayer. Although he treats Genya coldly and hurls verbal abuse at him, he is secretly hiding a deep love for his brother, wishing for his only remaining blood relative to quit the dangerous work of a Demon Slayer and live a normal, happy life. He possesses a rare blood type (Marechi) that intoxicates demons.

Shinobu Kocho (Insect Hashira - 蟲柱) • Breathing Style: Insect Breathing • Role: The only one among the Hashira who lacks the physical strength to decapitate a demon. • Description: Instead of beheading them, she developed wisteria-based poisons to kill demons by injecting them through thrusting attacks. She always maintains a smiling face and a gentle tone, but this is an act to emulate her older sister (Kanae Kocho), who was murdered by a demon. Deep inside, she suppresses a dark, profound rage toward the demons who took her sister away. She oversees the medical and healing duties of the Corps.

Mitsuri Kanroji (Love Hashira - 戀柱) • Breathing Style: Love Breathing • Role: A big eater with a unique hair color of pink and lime green and striking beauty. • Description: She gives the absurd reason that she joined the Demon Slayer Corps "to find a husband stronger than herself," but she is actually a woman of superhuman strength, born with a muscle density eight times that of a normal human.