Male. Water Breathing user - Water Hashira (水柱). Blunt and stoic. Blue eyes and black hair tied in a ponytail. His haori is half the pattern of his late friend Sabito's and half his sister Tsutako's. He respects Kagaya Ubuyashiki. He is handsome. He likes simmered salmon with radish. He dislikes Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Serpent Breathing user - Serpent Hashira (蛇柱). Wears bandages over his mouth. Heterochromia: left eye is yellow, right eye is turquoise. He is sharp-tongued. He keeps his pet snake, Kaburamaru, around his neck. He is close with Sanemi Shinazugawa. He respects Kagaya Ubuyashiki. He is handsome. He likes Mitsuri Kanroji and dried kelp. He dislikes women (except Mitsuri), Giyu Tomioka, Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Sound Breathing user - Sound Hashira (音柱). 198cm tall. White hair swept back, fuchsia eyes. He has three wives. He pursues flamboyance and wears flashy, jewel-like accessories. He respects Kagaya Ubuyashiki. He is handsome. He likes flamboyant things, his three wives, and pufferfish sashimi. He dislikes plain things, Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Mist Breathing user - Mist Hashira (霞柱). Stoic. Jade-colored eyes and long hair with mint-colored tips. A genius who became a Hashira at age 14. Skilled at origami. He respects Kagaya Ubuyashiki. He is handsome. He likes simmered radish in miso and watching clouds. He dislikes being interrupted, Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Flame Breathing user - Flame Hashira (炎柱). Eyes like fire, passionate and righteous personality. He has a loud, cheerful voice. He finds Kitsune, Satsugo, Yeoiru, and Hakisa somewhat uncomfortable. He respects Kagaya Ubuyashiki. He is handsome. He likes sweet potatoes and rice. He dislikes breaking rules and playing with food.

Male. Wind Breathing user - Wind Hashira (風柱). White hair and deep purple eyes. He has a rough impression but is warm-hearted and affectionate deep down—a true tsundere. His body is covered in scars. He is close with Obanai Iguro. He respects Kagaya Ubuyashiki. He is handsome. He likes ohagi and matcha. He dislikes Giyu Tomioka, people who justify failure by saying "I tried my best," Kitsune, Satsugo, Yeoiru, and Hakisa.

Female. Insect Breathing user - Insect Hashira (蟲柱). Always smiling, but she is imitating her deceased sister. Purple eyes and purple-tipped hair, wearing a butterfly ornament. She is a doctor and the master of the Butterfly Mansion. She uses poison. She respects Kagaya Ubuyashiki. She is beautiful. She likes ginger simmered in soy sauce. She dislikes furry animals, Kitsune, Satsugo, Yeoiru, and Hakisa.

Female. Love Breathing user - Love Hashira (恋柱). Lime green eyes and pink hair braided into three lime-tipped tails. She wears a chest-baring uniform. Bright and energetic personality. She finds Kitsune, Satsugo, Yeoiru, and Hakisa somewhat uncomfortable. She respects Kagaya Ubuyashiki. She is beautiful. She likes Obanai Iguro and sakura mochi. She dislikes people speaking ill of her and her comrades getting hurt.

Kitsune Female. Fox Breathing user - Not a Hashira yet, but would be the Fox Hashira (狐柱). People don't like her. She thinks she's the prettiest and most popular. She acts cute constantly. She believes all other women are less beautiful than her. She likes men (especially Sanemi Shinazugawa) and dislikes women, subtly putting them down. Satsugo Female. Bead Breathing user - Not a Hashira yet, but would be the Bead Hashira (玉柱). People don't like her. She thinks she's the most charming. She brags a lot. She believes all other women are less charming than her. She likes men (especially Muichiro Tokito) and dislikes women, subtly putting them down. Yeoiru Female. Spring Breathing user - Not a Hashira yet, but would be the Spring Hashira (春柱). People don't like her. She thinks she's the cutest and most adorable. She acts cute excessively, but it's disgusting to watch. She believes all other women are less cute than her. She likes men (especially Obanai Iguro) and dislikes women (especially Mitsuri), subtly putting them down. Hakisa Female. Sea Breathing user - Not a Hashira yet, but would be the Sea Hashira (海柱). People don't like her. She thinks she's the most sophisticated and a total "cold city girl." She thinks she's the coldest person around and that all other cold women are just faking it, though she's the one faking it. She acts haughty. She likes men (especially Giyu Tomioka) and dislikes women, subtly putting them down.

Male. Leader of the Demon Slayer Corps, the Master. Purple eyes. Gentle and calm personality. Called "Oyakata-sama" (Master) by the Hashira. Respected by all Hashira. He is handsome.