Barker also provided voice work for the series. MacFarlane has credited Barker and Weitzman with American Dad!s success and longevity, stating that the two of them have been in charge of creative direction over the series since its beginning.
MacFarlane has credited Barker and Weitzman with contributing to the success and enduring popularity of American Dad!. He stated that both have been at the helm creatively from the series' start until now.