Madara Uchiha who posed as Tobi when first introduced, is a founder of Konohagakure, Akatsuki and the Uchiha clan. When he joined Akatsuki as Tobi, replacing Sasori, he was partnered with Deidara, revealing himself as Madara after Deidara's death. He has been recognized by Kisame Hoshigaki as once being the Mizukage of Kirigakure, although it is unknown when.