Huan Yi

Huan Yi (died 227 BC) was a Qin general who lived in the Warring States period of China. He betrayed his state and escaped to the Yan state, where he later committed suicide to aid Jing Ke in his assassination attempt on Ying Zheng, the King of Qin. He is portrayed by Lü Xiaohe in the 1998 film The Emperor and the Assassin and Wang Ya'nan in the 2004 television series Assassinator Jing Ke.