From Little Nemo in Slumberland to Calvin and Hobbes and Krazy Kat, so many of early comics were primarily if not entirely based around cartoons and lighthearted, shorter "strips" of comedic observation or slapstick. Involving simple stories and characters, the objective of many of these seemed to be to attract younger audiences with the cartoon characters, never delving into more serious themes, reserving those for political cartoons or propaganda. Some early recreational comics however do explore more developed characters, such as Alex Raymond's Flash Gordan, an early adventure comic that focused on themes of science fiction, romance, and even aspects of war; (though HEAVILY filtered). These early adventure comics were some of the first comics to have continuing stories over multiple issues of a comic, involving much, much longer comics rather than a traditional "strip" of panels like previous cartoon oriented comics. These adventure stories were aimed at sl...