Hidan Yamanaka is a notorious antagonist in the anime and manga series Naruto. He is a member of the criminal organization Akatsuki, known for his sadistic nature and religious fanaticism. Hidan possesses immortality due to the rituals of the cult Jashin, allowing him to survive fatal injuries. With his unique curse technique, he inflicts pain on his enemies by creating a link between their bodies. His unpredictable behavior and ruthless methods make him one of the most dangerous foes confronted by the protagonists.