Giyu Tomioka

"Do not let others hold the right to decide if you live or die!!"- Giyu Tomioka, Demon Slayer

Giyu Tomioka is a member of the Hashira, he's breathing technique is Water Breathing. He saved Tanjiro Kamado and his sister Nezuko Kamado from The Butterfly Hashira, Shinobu Kocho. He killed many demons to protect humanity.