War of the Coprophages featured insect-like robots designed by roboticist and author Rodney Brooks. Morgan was also inspired by Orson Welles's 1938 radio broadcast of H.G. Wells's book "The War of the Worlds" (which had caused mass hysteria), with the episode's title being a direct reference to the novel (with the last part of the episode's title, "coprophages", referring to a dung eater). The town featured in this episode also takes place in—Miller's Grove—is a play on Grover's Mill, the setting of Orson Welles's 1938 radio adaptation. Originally, a scene featuring the sheriff discussing a noted case of hysteria from the 1930s was planned
Orson Welles before her return in late October, whereas Welles did not travel overseas during that period. After the death of Rebecca Welles Manning, a man named Marc McKerrow was revealed to be her son—and therefore a direct descendant of Orson Welles and Rita Hayworth. McKerrow's reactions to the revelation and his meeting with Oja Kodar are documented in the 2008 film "Prodigal Sons". McKerrow died on June 18, 2010. Despite an urban legend promoted by Welles, he was not related to Abraham Lincoln's wartime Secretary of the Navy, Gideon Welles. The myth dates back to the first newspaper feature ever written