Yoriichi Tsugikuni

Intro Yoriichi tsugikuni is a samurai from demon Slayer during the sengoku era. he is known as the person who defeated muzan over 500 years ago. his brothers name is michikatsu also know as kokushibo in the current demon Slayer timeline. he is also known as the strongest samurai to ever live in demon Slayer. he also has a wife named uta who has died due to a demon attack while yoriichi was gone