Barry Huffman, better known as Duffman and voiced by Hank Azaria, is a recurring character who, according to Chris Turner, "embodies all the self-importance and over-statement of contemporary marketing.

[5] Duffman is a muscular actor, dressed in a superhero costume who spouts slogans while he thrusts his hips.

", is a nod to the Yello song "Oh Yeah", which many advertisers began to use when Ferris Bueller's Day Off made it a hit.

[5] While loyal to his corporate sponsors, in the season 15 episode "Co-Dependents' Day", Duffman reveals he is ashamed of betraying his Jewish heritage by doing a Nazi-esque performance at Oktoberfest ("This Reich will last a thousand beers!

In the season 17 episode "Marge and Homer Turn a Couple Play", it was revealed there were two other Duffmen working (but it is kept a secret so as not to disillusion children).

[5] Incidentally, a comic book character named "Duffman" was featured in the cover of the program for the 1994 San Diego Comic-Con, drawn by Simpsons illustrators Steve Vance and Bill Morrison.