Hidan

Hidan joined Akatsuki defected from the Yugakure. He is a missing Nin from Yugakure. He was the 2nd newest member of Akatsuki. He was teamed with Kakuzu. Kakuzu and Hidan Dislike each other. Both of them were called Zombies.
Yugakure deteriorated from a shinobi village to a tourist site , at that time Hidan became infuriated with how things were turning out. He believed that the shinobi that resided there were meant to kill, and thus slaughtered his neighbours before leaving Yugakure, and joining the cult-like faith known as Jashin, a religion that worshiped. Primary Teaching of this faith appears to be  outright slaughter, where anything less than destruction is thought as sin. Experimenting with the Jashin Techniques and faith , Hidan was granted Immotality.
Hidan was show a very foul mouthed and disrespectful personality. He shows himself a very religious personality.
Kakuzu Didn't like Hidan, but they somewhat helped each other in fight.
Hidan had no moral restrain regarding people hi killed. He considered slaughtering a religious act.He was sadistic and enjoyed torturing his opponents.
Hidan Killed Asuma, while they were fighting against Team Asuma.
Then After some time, with the help of Kakashi and Naruto, Shikamaru led Hidan to the forest of his Ancestors, and burried Hidan there in the middle of Forest