Cheng Yaojin

Cheng Zhijie (程知節) (589 - February 26, 665) is the courtesy name of a general whose real name is popularly known as Cheng Yaojin (程咬金) early in the Chinese Tang Dynasty, formally Duke of Lou. He was one of the most meritorious officials serving in both reigns of Emperor Gaozu of Tang and Emperor Taizong of Tang. His life-sized portrait was positioned the at outermost layer in the Lingyan Pavilion.