Naruto: I am Uchiha Madara's younger brother?

Introduction: This is impossible, absolutely impossible. I became Uchiha Izuna? Uchiha Madara is determined to have his own way and wants to join forces with Senju Hashirama to build the Leaf Village. This is not possible, absolutely not? Uchiha Izuna: Konoha is a big pit, and we, the Uchiha clan, will be eaten up by him! Uchiha Madara: Who among our Uchiha clan can eat us?