Asuma Sarutobi

Asuma Sarutobi (猿飛アスマ, Sarutobi Asuma) was a jōnin of Konohagakure's Sarutobi clan and a former member of the Twelve Guardian Ninja. He was also the leader of Team 10 which consists of Shikamaru Nara, Ino Yamanaka, and Chōji Akimichi.