Vietnamese literature is greatly affected by Chinese literature but, during the process of receiving, Vietnamese authors have always been conscious of creativity to match the culture imbued with national identity. In the Medieval Ages, each country had heroes to inspire creativity in literature. According to orthodox opinion, there are heroic characters who fight against foreign invaders and serve the royal dynasty. In unorthodox opinion, there are the chivalrous, righteous heroes in chaos who save the world. Shuihu Zhuan (The Water Margin Saga) of China and The Tale of Kieu of Vietnam are considered two typical works depicting the portrait of the hero of the chaos. Both works bring a heroic model that is newer and more unique than the orthodox heroic one. The study of the heroic characters of the chaos in the two works from a comparative perspective will find out the similarities and differences in the literature of both countries in the Chinese cultural area.