Such Mormon portrayals, often stereotypical, have been showing up since the 1800s. For example, When Sir Arthur Conan Doyle introduced detective Sherlock Holmes in the story, "Study in Scarlet." It was set against the backdrop of anti-Mormon inaccuracies about Latter-day Saints and their beliefs popular in England at the time. On a later visit to Utah he apologized for the inaccuracies.
Here are some more contemporary examples of portrayals of Mormons: