Zhang Yan (Han dynasty)

Zhang Yan () ( 180s–205), born Chu Yan, also known as Zhang Feiyan, was the leader of the Heishan bandits during the late Eastern Han dynasty of China. He rose from a local rebel to master of a confederation that could hold off the Han, becoming a regional power, and was able to maintain authority in Changshan until he chose to surrender to Cao Cao, getting enfeoffment that remained with his family. Provided by Wikipedia