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
Joss Whedon every horror movie". Whedon said he wanted to subvert the idea and create someone who was a hero. This conception came from "the very first mission statement of the show, which was the joy of female power: having it, using it, sharing it". The writing process came together from conversations about the emotional issues facing Buffy Summers, and how she would confront them in her battle against supernatural forces. Whedon usually directed episodes from his own scripts that held the most cathartic moments in Buffy's story. The series received numerous awards and nominations, including an Emmy Award nomination for the