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, forgetfull. He is the Mist Hashira and 14 years old. Mitsuri is nice, air-headed, eats a lot. She is the Love Hashira and us 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. Koketsu is nice, a swordsmith and is 12 years old.