Science fiction fandom other groups including LGBT communities, libertarians, neo-pagans, and space activist groups like the L5 Society, among many others. Some groups exist almost entirely within fandom but are distinct and cohesive subcultures in their own rights, such as filkers, costumers, and convention runners (sometimes called "SMOFs"). Fandom encompasses subsets of fans that are principally interested in a single writer or subgenre, such as Tolkien fandom, and ("Trekkies"). Even short-lived television series may have dedicated followings, such as the fans of Joss Whedon's "Firefly" television series and movie "Serenity", known as Browncoats. Participation in science fiction fandom often overlaps with other similar
Western (genre) such as crime drama and mystery whodunit elements. Western shows from the 1970s included "Hec Ramsey", "Kung Fu", "Little House on the Prairie", and "McCloud". In the 1990s and 2000s, hour-long Westerns and slickly packaged made-for-TV movie Westerns were introduced, such as: "Lonesome Dove" (1989) and "Dr. Quinn, Medicine Woman". As well, new elements were once again added to the Western formula, such as the Western-science fiction show "Firefly", created by Joss Whedon in 2002. "Deadwood" was a critically acclaimed Western series which aired on HBO from 2004 through 2006. A number of visual artists focused their work on representations