Kichimura Washuu

Kichimura Washuu known as Nimura Furuta is main antagonist together with his father Tsuneyoshi Washuu. he also was responsible for Ken Kaneki turned one-ghoul with him would come being partner investigator ghoul.

Biography
Kichimura was with an disguise as Nimura Furuta and allied to Clown. He forged the incident which killed his half sister Rize and did Kaneki turned one-ghoul.

Arc Gourmet
Souta attracted Ami seducing her with promise which marry with she only for give her with a meal to other ghouls on Restaurant Ghoul.

Arch Aogiri
He with disguise Nimura Furuta's together with Nico he asked about One-Eyed King being him existed same in however Nico denied existence his and Nico whispered in heard them.

Owl Suppression Operation
After being defeated by Arima, Kaneki ends remenbering of last moment before from death Rize's, which was above them with a signal of peace, after he celebrated with others clowns.