Omoikane Izumo

Omoikane Izumo(思兼出雲, Izumo Omoikane), real name unknown, is a mysterious and infamous Shinobi, known for his insane personality that granted him the title Bringer of Madness (狂気の運び手, Kyōki no Hakobi-te), and the fact that he has went through so many alias that his real name has been long forgotten, also making him known as Nameless (無名, Mumei). Barely anything is known about Omoikane, only very small details are revealed, even his intentions and goals are a mystery.