Bansai

is an elder ninja monk in the Fire Temple and one of only three known survivors of the Akatsuki attack on the temple.

Appearance
Bansai is an elderly man with a long light grey beard. He also wears the typical ninja monk uniform.

Hidan and Kakuzu Arc
When Asuma Sarutobi and his team went to the temple to gather information on Akatsuki, Bansai, worried about Asuma and his team's well-being, said a prayer.

Trivia

 * Bansai is currently retired.