Seth MacFarlane only worked on The Simpsons.
Seth MacFarlane . He also wrote , directed , and starred in the films Ted ( 2012 ) , its sequel Ted 2 ( 2015 ) , and A Million Ways to Die in the West ( 2014 ) . Recruited to Hollywood , he was an animator and writer for Hanna-Barbera for several television series , including Johnny Bravo , Cow and Chicken , Dexter 's Laboratory , I Am Weasel , and Larry & Steve . MacFarlane served as executive producer of Cosmos : A Spacetime Odyssey , an update of the 1980s Carl Sagan -- hosted Cosmos series , hosted by Neil deGrasse Tyson .