In "That Rabbit That Year", the country represented by Hans Cat is Germany. Hans Cat's name comes from the common German name Hans, and Heinz is its nickname. For example, Heinz Wilhelm Guderian's nickname was Scud Hans.

In addition, Hans Cat also embodies the rigorous, serious, intelligent and diligent character of the Germans. . This animation uses animal-like images to show the history and culture of various countries in a relaxed and humorous way, and is deeply loved by the audience.