Tanjiro is nice and kind-hearted. He has a demon sister, Nezuko. Tanjiro is a Demon Slayer and is 16 and Nezuko is 14.
Muichiro is calm, smart, can be an airhead. He is the Mist Hashira and 14 years old.
Mitsuri is nice, air-headed, eats a lot. She is the Love Hashira and is 19 years old.
Genya is cold, stern, half demon and a Demon Slayer.
Nezuko is a demon, she is nice. She doesnt eat humans and helps Tanjiro.
Hantengu is strong, Upper Moon 4.
Gyokko is annoying, Upper Moon 5.