Satire (1922), "Elmer Gantry" (1927; dedicated by Lewis to H. L. Menchen), and "It Can't Happen Here" (1935), and his books often explored and satirized contemporary American values. The film "The Great Dictator" (1940) by Charlie Chaplin is itself a parody of Adolf Hitler; Chaplin later declared that he would have not made the film if he had known about the concentration camps. In the United States 1950s, satire was introduced into American stand-up comedy most prominently by Lenny Bruce and Mort Sahl. As they challenged the taboos and conventional wisdom of the time, were ostracized by the mass media establishment
Charlie the Unicorn Unicron" is based around "what the Charlie the Unicorn series would be like if it was written by random internet people". Another parody, "Charlie the Yannicorn" was made in 2013. That same year, during the "Detective Heart of America: The Final Freedom" Kickstarter, another parody "Charlie the Unitective Heart of America" was released, featuring Heart of America as Charlie. Although not released on FilmCow's main channel, it can be found on a playlist. Multiple livestreams featuring Charlie answering questions, telling jokes, and just generally talking to the viewers were conducted on the FilmCow YouTube channel as part of a promotion