Foster's Home for Imaginary Friends began production in the earlier 2000s (around 2002 and 2003) and came out in 2004. The series was created by Craig McCracken, a person who also created The Powerpuff Girls. A test pilot began tested in 2002, and was never released on Cartoon Network or Boomerang. The show was filmed in California in the earlier episodes. Bloo's name was originally going to Blob, but then Craig McCracken declined it, and decided to name him Bloo.