Buffyverse
The Buffyverse is a fictional universe created by writer/director Joss Whedon. It is the setting used for the movie Buffy the Vampire Slayer (BtVS), the BtVS television series and the Angel television series.  Comic books and novels based on both the Buffy and Angel television series and the Fray comic book also take place in the Buffyverse. The term Buffyverse was created by the fans of the shows and later used by Whedon as the name for his world. The term has also been used in the titles of published works.