Private Snafu used humor to make his point by demonstrating what not to do with your military guns. This was during WWII, so they demonstrate what could happen if your guns were not properly cleaned in a humorous manner. Throughout the story, they use voice and movement to convey humor. Private Snafu sings songs about his guns and wants to be a hero, but he can’t shoot any of his guns because he didn’t clean them properly, which is the moral of the story: clean your guns. They made private snafu short and scrawny, Whereas the Nazi appeared to be tall and bulky. When private snafu points a gun at him and he becomes intimidated and afraid. The movement of these characters is quite comical when Private Snafu points a gun at him and the nazi becomes intimidated and afraid, putting his hands up which ends up showing his belly, as his shirt becomes too short. The guns also react to not being clean, such as the machine gun melting due to overheating or the Cannon, which had creatures living inside singing about how unclean it was.