Kakuzu was an elite ninja from the Village Hidden in the Waterfalls who onced battled the First Hokage,but was defeated by the Hokage's Wood-Style jutsu.Following the incident Kakuzu was punished and stigmatized by his people for failing his mission,leading him to leave the village.Fueled by hatred,Kakuzu used the village's forbidden jutsu and the hearts of the village elders he robbed and became immortal.Since joining the Akatsuki,he has been paired up with Hidan,a fellow immortal
