On a scroll , he is an ugly man , big black eyes and bristling beard, usually hold a sword.
His name was ZhongKui and he was found in Tong Dynasty, he was not a real man but a ghost or shadow.
One night, the emperor had a dream in which he saw two ghosts one was a short ghost dressed in red with one foot bare, anoother was a powerful built ghost dressed in blue. And zhongkui was holding a paper fan.The two ghosts wanted to steal the emperor's jade flute and the favourite wife Yang Gui Fei's perfume bag.
The ghost went to the hall to steal the flute and perfume bag Zhong Kui stopped them .He took their eyes off and spilt them into two and he ate them.
The peror was shocked and asked him who he was.Zhong Kui repliied,Zhong Kui is the name .I died after I joined military official.I have resolved to wipe out all ghosts,so I am here now!
As soos as he woke up.the emperor called together for WuDaoZi and told about the dream(WuDaoZi was the famous painter).The emperor order to he set about painting Zhong Kui's portrait according to the emperor's description. The result was the exact likeness of the ghost seen in the dream.