In the Beginning of Naruto, You Get Yin Jiuwei

At the time of Minato Namikaze's battle to seal the Kyuubi, Uzumaki Kushina gave birth to two sons, one was Uzumaki Uzumaki and the other was Uzumaki Naruto. Namikaze Minato was forced to split the Kyuubi into two, the Yang Kyuubi was sealed into Uzumaki Naruto's body, and the Yin Kyuubi was sealed into Uzumaki Uzumaki's body. Unexpectedly, Uzumaki Uzumaki was a time traveler. From then on, Uzumaki surprisingly took most of the opportunities of Hokage, achieved the position of Hokage, and stood at the pinnacle of the ninja world with Uzumaki Naruto and Uchiha Sasuke.