Dan Castellaneta

Daniel Louis "Dan" Castellaneta is an actor, comedian, singer, and television writer who provides the regular voice of the Robot Devil on Futurama, as well as at least one minor character. Outside of Futurama, he is arguably best known to international audiences as the voice of and numerous other characters (such as Krusty the Clown, Sideshow Mel, Grampa Simpson, Hans Moleman, Groundskeeper Willie, and Mayor "Diamond" Joe Quimby) on The Simpsons, although he has given his voice to other animated characters including  and the Jolly Olly Man (a bitter, child-hating ice cream truck driver) on ' (alongside fellow Futurama and Simpsons actor Tress MacNeille) and the Genie in the ' TV series. He was previously a member of the improv comedy group from 1983 to 1987, and has appeared in many live action film and television roles as well.

Characters voiced

 * Robot Devil (all appearances except for "A Tale of Two Santas", in which Maurice LaMarche voiced the Robot Devil's sole line, "I heard him!", during the scene of Bender on death row)
 * The Grumpy Snail (speaking voice)
 * Groundskeeper Willie
 * Groundskeeper Willie

Trivia

 * Dan Castellaneta guest-stars in two episodes of season 7 &mdash; "The Six Million Dollar Mon" and "Calculon 2.0" &mdash;, both of which are episode 7 of their broadcast seasons.