Cowboy is a four-panel comic series drawn by Hong Kong cartoonist Wong Sima in the 1970s and early 1980s. The comic was originally serialized in the supplement of Ming Pao for many years and was later compiled and published as a book by Boyi Publishing Group Co., Ltd. The complete set of Cowboy consists of 41 volumes, telling the life fragments and interesting stories between the two fathers, Cowboy and "father", in the comic. It describes the appearance of a well-off family in Hong Kong at that time and also shows the innocence of Cowboy and his affection for his father. The prototypes of Cowboy and father cartoon are the author Wong Sima and his three sons.