Asuma Sarutobi

Asuma Sarutobi was the younger child of the Third Hokage, Hiruzen and his wife, Biwako. He was also Konohamaru's uncle and the teacher of Shikamaru Nara, Ino Yamanaka, and Choji Akimichi. Before his death, he was in a long-term relationship with Kurenai Yuhi, another Jonin of Konohagakure. She is the mother of his child, whose name has yet to be revealed. Asuma was killed by the Akatsuki member Hidan.
Asuma was a wind and fire element user. He also fought with chakra-enhanced knuckle knives, sharp enough to pierce stone.