Lü Bu
Chen Gong () (died 7 February 199), courtesy name Gongtai, was an adviser to the warlord Lü Bu in the late Eastern Han dynasty of China. However, he had started his career under another warlord, Cao Cao, before defecting to Lü Bu. He was executed along with Lü Bu after Cao Cao defeated Lü Bu at the Battle of Xiapi.