Color image of Guiguzi

Quick answer：

Guiguzi, also known as Master Gu, was an ancient Chinese strategist, philosopher, and writer. A color image of Guiguzi typically depicts this historical figure in traditional attire, often with an aura of wisdom and mystique. He is renowned for his teachings on military strategy and psychological warfare, which are detailed in the 'Mawangdui Silk Texts' and other classical texts.