A classmate first thought Castellaneta would " fall on his face with improvisation " but soon " was churning out material faster than could make it work.

Castellaneta chose the title I Am Not Homer as a parody of Leonard Nimoy's famous first autobiography I Am Not Spock, as well as to show that most of the comedy featured " is not the typical Homer comedy.

He is voiced by Dan Castellaneta and first appeared on television, along with the rest of his family, in The Tracey Ullman Show short " Good Night " on April 19, 1987.

He is voiced by Dan Castellaneta, and first appeared in the episode " Principal Charming ".

He is voiced by Dan Castellaneta, and first appeared in the episode " The Call of the Simpsons ".

The character is voiced by Dan Castellaneta and first appeared in the series premiere episode " Simpsons Roasting on an Open Fire ".

The first season featured new interpretations of The Batman's villains such as Rupert Thorne ( voiced by Victor Brandt ), The Joker ( voiced by Kevin Michael Richardson ), The Penguin ( voiced by Tom Kenny ), Catwoman ( voiced by Gina Gershon ), Mr. Freeze ( voiced by Clancy Brown ), Firefly ( voiced by Jason Marsden ), Ventriloquist and Scarface ( voiced by Dan Castellaneta ), Man-Bat ( voiced by Peter MacNicol ), Cluemaster ( voiced by Glenn Shadix ), and Bane ( voiced by Joaquim de Almeida in the first appearance, Ron Perlman in the second ).

Bill and Marty, voiced by Harry Shearer and Dan Castellaneta, also make their first visual appearances, although they were heard on the radio in previous episodes, including Bart Gets An F. They are two radio show hosts and deejays on Springfield's own radio station KBBL.

The episode marks the first appearance of Gil Gunderson, voiced by Dan Castellaneta, and Cookie Kwan, voiced by Tress MacNeille.

Homer using his megaphone to talk to Marge and Lisa, who were standing next to him, was ad-libbed by Dan Castellaneta.

Castellaneta has won several awards for voicing Homer, including four Primetime Emmy Awards for " Outstanding Voice-Over Performance " in 1992 for " Lisa's Pony ", 1993 for " Mr. Plow ", 2004 for voicing several characters in " Today I Am a Clown ", and 2009 for voicing Homer in " Father Knows Worst ".

For voicing Homer, Castellaneta has won four Primetime Emmy Awards for Outstanding Voice-Over Performance and a special-achievement Annie Award.

" Dan Castellaneta has won two Primetime Emmy Awards in the Outstanding Voice-Over Performance category for voicing various characters, including Grampa.

In 2010, Castellaneta was nominated for the award for voicing Grampa and Homer in the episode " Thursdays with Abie ".

In 2004, Castellaneta won an Emmy Award for voicing various characters, including Barney.

He was replaced by Dan Castellaneta ( best known for voicing Homer Simpson ), who also voiced the Genie in the animated series as well as in Kingdom Hearts.

Dan Castellaneta, Julie Kavner, Nancy Cartwright, and Yeardley Smith all began voicing their characters on The Tracey Ullman Show.

In the early 1990s, Castellaneta and Deb Lacusta wrote a script for an episode in which Barney becomes sober.

" Castellaneta portrayed Aaron Spelling in the 2004 NBC film Behind the Camera: The Unauthorized Story of Charlie's Angels, which followed the true story of how Spelling created the show.

Other films in which Castellaneta has appeared include Nothing in Common, Say Anything ..., Super Mario Bros., The Client, Space Jam, My Giant, Rugrats in Paris: The Movie, Recess: School's Out, Hey Arnold!

In 1995, Castellaneta started writing Where Did Vincent van Gogh ?, a one man play in which he portrays a dozen different characters, including artist Vincent van Gogh.

Barney sobered up in the episode " Days of Wine and D ' oh ' ses ", which was co-written by Castellaneta, and stayed sober for several episodes.

Castellaneta has voiced Barney every time he has appeared in the series, with the exception of the episode " Homer's Barbershop Quartet ", in which some of Barney's singing is provided by a member of The Dapper Dans, who recorded lines for all four members of the Be Sharps.

Castellaneta and Lacusta waited several years and offered their script, which they updated, to then-show runner Mike Scully, who liked it and had them make a few changes.

Although cast member Dan Castellaneta occasionally voiced Santa's Little Helper for bit parts, American voice artist Frank Welker most often provided the sounds of the dog and other animals on the show from " Bart's Dog Gets an F ", which aired on March 7, 1991, to " Home Sweet Homediddly-Dum-Doodily ", which aired on October 1, 1995.

The title character, an " average worm " who stumbled upon a space suit which turned him into a superhero, became immensely popular, and spawned a variety of other types of merchandise: action figures, comic books, and a syndicated television cartoon series on the Warner Kids Network, with the title character voiced on the show by Dan Castellaneta ( also known as the voice behind Homer Simpson ).

* Doc Brown ( portrayed by Christopher Lloyd in live action segments, voiced by Dan Castellaneta in the animated segments ) – Marty's best friend and the inventor of the time machine, which he built out of a DeLorean sports car.

Castellaneta came in and recorded eight new takes, which was mixed together with some of the original vocals.

The song, which was sung by main cast member Dan Castellaneta, included mentions of " scraping blood and guts off the road " and was eventually dropped because it was considered too gruesome by the staff.

In the early 1990s, Castellaneta, the voice of Homer, Barney, and many other characters on the show, had conceived the idea to do an episode in which Barney sobers up.

Castellaneta and Lacusta waited several years and presented their script, which they had updated, to then-showrunner Mike Scully ( 1997 – 2000 ), who liked it but had them make some changes.

The character, which was pitched by former show runner David Mirkin and portrayed by Castellaneta, has become one of the writers ' favourites, and was series animation director Jim Reardon's favourite joke of the entire season.

Dan Castellaneta had to learn proper Russian pronunciation so he could speak it during the chess scene in which he voiced the Russian chess player.

Dan Castellaneta, who guest stars as Joe Spencer, is the voice of Homer Simpson on The Simpsons, which has been established as O ' Neill's favorite television program.

Castellaneta did not know what voice to use and Sam Simon, who was directing at the time, told Castellaneta to use an accent.

Valentino was born Rodolfo Alfonso Raffaello Pierre Filibert Guglielmi di Valentina D ' Antonguolla in Castellaneta, Puglia, Kingdom of Italy.

In 2009 a film school was also opened in his hometown, " Centro Studi Cine Club Rodolfo Valentino Castellaneta ".

Castellaneta was born in Oak Park, Illinois, a suburb of Chicago, on October 29, 1957, to Elsie and Louis Castellaneta.

Castellaneta became adept at impressions at a young age and his mother enrolled him in an acting class when he was sixteen years old.

Castellaneta was also a regular participant in The Ron Petke and His Dead Uncle Show, a radio show at NIU.

His performance that night was about a blind man who tries to become a comedian and Ullman later recalled that although there were flashier performances that night, Castellaneta made her cry.

She was impressed and Castellaneta was hired.

Castellaneta chose a recording of what he believed was his best belch and told the producers to make that the standard.

The character was written as an angry janitor and Castellaneta was assigned to perform the voice.

Show runner Mike Scully thought that Gil would be " a one-shot thing " but " Dan Castellaneta was so funny at the table read doing the character, we kept making up excuses in subsequent episodes to put him in.

In 1993, Castellaneta was given a special Annie Award, " Outstanding Individual Achievement in the Field of Animation ", for his work as Homer on The Simpsons.

Until 1998, Castellaneta was paid $ 30, 000 per episode.

The issue was resolved a month later, and Castellaneta earned $ 250, 000 per episode.

The majority of the sketches had been written and performed before the CD was recorded, and Castellaneta thought that it would be a good idea to preserve them " since and Lacusta don't perform them much anymore.

Castellaneta was part of the regular cast of The Tracey Ullman Show and had previously done some voice-over work in Chicago alongside his wife Deb Lacusta.

Early on the show, Castellaneta discovered that it was not easy for him to do Barney's trademark belch every time a script called for it, so he identified his best belch and told the producers to make that the standard.

In a very brief appearance in the season 2 episode " Bart's Dog Gets an F ", Troy was voiced by Dan Castellaneta.

After 1995, Castellaneta voiced Santa's Little Helper on his own while Welker performed other animal noises until his full departure in 2002, when he was denied a pay raise.