Dan Castellaneta shares how the character, Krusty the Clown, came to be, how his name was chosen, and how his voice was selected. Find out how the character allowed writers to poke fun at comedians and show hosts; which classic comedians have been compared to Krusty; what Krusty plot line was abandoned; and the subconscious connection Bart makes between the clown and another character.

Nancy Cartwright, the voice of Bart Simpson of the animated series “The Simpson,” shares how one of Bart’s catchphrases, “eat my shorts,” became part of the show. Some catchphrases, Cartwright explains, are written into the script by writers while others arise from ad libs by the voice talent and are kept in the show. Find out how writers rate laugh potential during readings of the script and more.