Chai Jin
The novel depicts Shi Yong as eight "chi" tall and having a pale yellowish complexion, sharp eyes and a clean shaven face. Shi Yong, who was born and lives in Daming Prefecture (大名府; present-day Daming County, Hebei), is a hardcore gambler. He flees Daming and hides in the house of the nobleman Chai Jin after killing a man in a fit of anger over some gambling matter.