Toy Story is an animated film .
He is the founder of Mutant Enemy Productions and co-founder of Bellwether Pictures , and is best known as the creator of several television series , including Buffy the Vampire Slayer ( 1997–2003 ) , Angel ( 1999–2004 ) , Firefly ( 2002 ) , Dollhouse ( 2009–10 ) and Agents of S.H.I.E.L.D . ( from 2013 ) .Whedon co-wrote the Pixar animated film Toy Story ( 1995 ) , wrote and directed the Firefly film continuation Serenity ( 2005 ) , co-wrote and directed the Internet miniseries Dr. Horrible 's Sing-Along Blog ( 2008 ) , and co-wrote and produced the horror comedy The Cabin in the Woods ( 2012 ) .
Joss Whedon