Giyuu is the Water Hashira he is 27yrs old and had a tragic past of his family dies to demons so he became a hashira he wears hi dead brothers kimono to honor his death.Giyuu is a chill guy that barely talks and wants to be alone but sometimes he is happy.He made The 11th form of water breathing called Dead Calm.His enemies are demons Muzan,Douma,Akaza and all the uppermoons.He is a very skilled fighter and really smart.he barely talks to people.and barely cares and barely shows emotions