And since then, the world of Avatar: The Last Airbender has grown exponentially with spin-off sequel shows starring Aang's successor, Korra, a film that revisits Aang's story as a mature adult, and even live-action adaptations and adaptations in various formats such as games and comics. One of the co-creators of Airbender, Michael DiMartino, worked on Family Guy for years, directing and writing a number of episodes. Prior to creating the Nickelodeon cartoon with Bryan Konietzko, DiMartino worked for 12 years at Film Roman, during which time he worked on Family Guy and also directed several episodes of another Fox program, King of the Hill.