The Ko is a Chinese legendary creature,it has ten characteristics that resembles animals: horns like a deer, head like a camel, ears like a cat, eyes like a shrimp, mouth like a donkey, hair like a lion, neck like a snake, belly like a Shen, scales like a koi, front paws like an eagle, and rear paws like a tiger. It brings celestial phenomena portending peace and prosperity, thus is paid service by many Emperors in history.