Star Wars Logic
Idashi Uchiha is the Ninja Known as the Shadow, he is the same age as Asuma Late 40's to early 50's. He is the Son of Idoshen Uchiha and Nephew of Madara Uchiha.He will Appear either During the 4th Great Ninja War to assist Sasuke Uchiha in Defeating Edo Tensi Uchiha Madara. or Appear Sometime after the War to break Shinigami's Curse on Minato Namikaze, Bringing Him Back to life with a Unidentified Spiritualization Justu. he is also is also the Bearer of Pyro The Pheniox Dragon. But thats Something to be Explained for Another time A.N.Y Q.U.E.S.T.I.O.N.S?