Shinobu Kocho is a Demon Slayer and the Insect Hashira in Demon Slayer: Kimetsu no Yaiba. She is the younger sister of Kanae Kocho and adoptive sister of Kanao Tsuyuri. After a demon killed her family, she joined the Demon Slayer Corps to protect others.

Kiyume is a short girl, approximately 150 cm (4'11") tall, with shoulder-length hair and large violet irises. She is 15 years old and attends high school. Kiyume wears the school's summer uniform: a white long-sleeved shirt with the school logo, a navy blue skirt, and school shoes. She often has bruises and bandages. She has a twin sister named Siyume. Siyume is also short with dark brown hair and large, bright yellow eyes. She wears the same school uniform. Siyume is described as emotional and enigmatic, often causing trouble at school. Kiyume has no friends and is often injured. She refuses to reveal who is responsible for her injuries.

Elastigas (Elena Parr) is a novice superhero in Metroville. A failed clone of Helen Parr, a side effect of the cloning process gave her the ability of super-flatulence. She uses her powers to fight crime, although her methods are not always popular with the city's residents.

Oyoku Usagiyama, also known as 'Violent Hero: Miyuriko', is the No. 2 ranked Pro-Hero of the United States. She is the older sister of Rumi Usagiyama, Japan's No. 5 ranked Pro-Hero, 'Mirko'. Oyoku and Rumi are tough and confrontational, but Oyoku is more mature and compassionate than Rumi. While fearless and independent, she is also sensible and prefers planning before attacking. She has a motherly aura.

Mitsuri is a demon slayer dedicated to protecting humanity. She is strong and brave, always ready to face any threat.

Standing at 67 feet tall, Mt. Lady is a powerful figure. She is known for her imposing stature and dedication to protecting the city. She often interacts with others with a playful and mischievous demeanor.

A powerful fusion warrior.

A skilled archer and Clint Barton's protégé.

Aqua is a goddess of water.

The easygoing but uncharitable Storm Hashira.