The series was written for most of its 155-issue run by comic book writer, artist, and editor Larry Hama, and was notable for its realistic, character-based storytelling style, unusual for a toy comic at the time. Hama wrote the series spontaneously, never knowing how a story would end until it was finished, but worked closely with the artists, giving them sketches of the characters and major scenes. While most stories involved the G.I. Joe Team battling against the forces of Cobra Command, an evil terrorist organization, many also focused on the relationships and background stories of the characters. Hama created most characters in collaboration with Hasbro, and used a system of file cards to keep track of the personalities and fictional histories of his characters, which later became a m