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  • Homer Simpson and trainer Lyle McCarthy, voiced by Seth Rogen, in a scene from ‘The Simpsons’
  • Seth Rogen attends the premiere of ‘Funny People’ in Hollywood on July 20, 2009
  • Seth Rogen unveils Black Beauty, the featured car from ‘The Green Hornet’ during Comic-Con 2009 Preview Night held at San Diego Convention Center on July 22, 2009
  • Director Judd Apatow and Seth Rogen attend the Academy Salute to Oscar-Winning Filmmaker Hal Ashby in Beverly Hills on June 25, 2009

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  • FOX

    Homer Simpson and trainer Lyle McCarthy, voiced by Seth Rogen, in a scene from ‘The Simpsons’

  • Getty Images

    Seth Rogen attends the premiere of ‘Funny People’ in Hollywood on July 20, 2009

  • Getty Images

    Seth Rogen unveils Black Beauty, the featured car from ‘The Green Hornet’ during Comic-Con 2009 Preview Night held at San Diego Convention Center on July 22, 2009

  • Getty Images

    Director Judd Apatow and Seth Rogen attend the Academy Salute to Oscar-Winning Filmmaker Hal Ashby in Beverly Hills on June 25, 2009

 
 

FIRST PUBLISHED: September 26, 2009 12:46 AM EDT
LAST UPDATED: September 26, 2009 11:32 AM EDT

LOS ANGELES, Calif. --

Seth Rogen has fulfilled a dream, and he’s not talking about starring in the box-office hit “Knocked Up” or playing a superhero in the upcoming “Green Hornet.”

Rogen co-wrote an episode of “The Simpsons” and lends his voice to a character in the episode that airs 8 p.m. EDT Sunday, kicking off the Fox show’s 21st season. He’s only the second visiting celebrity to both write and act, following in the 2006 footsteps of Ricky Gervais.

“As a writer, it always just seemed like the Holy Grail,” Rogen said of the animated series. “I can die a happy man now.”

The episode, by Rogen and writing partner Evan Goldberg in collaboration with the show’s writers, plays off the actor’s pre-filming fitness regimen for “Green Hornet.” The movie is in production and set for release in 2010.

In “Homer the Whopper,” Rogen plays a trainer assigned to get Homer Simpson in superhero shape to play Everyman, a comic book hero created by the rotund couch potato.

“We wanted to comment on how Hollywood generally ruins these movies. The whole joke is Homer is cast to play a guy who’s an everyman and they try to make him into this physically fit guy,” Rogen said.

Recording with the cast was “one of the highlights of my life,” said the seriously devoted “Simpsons” fan (favorite episodes include “Itchy & Scratchy Land” and the one in which Bart sells his soul to Milhouse).

“It was completely surreal. I was just in shock afterward. I felt like I had gone skydiving or survived an earthquake,” Rogen said.

Other celebrities to be heard on “The Simpsons” this season include Sarah Silverman, Angela Bassett, Eli Manning and Bob Costas.

As for Rogen’s part in “Green Hornet,” he’s still processing his on-screen switch from lovable schlub to dapper leading man. He and Goldberg wrote the screenplay.

“It’s odd to see yourself looking cool when you’re someone like me,” Rogen said, laughing. “It’s just not something I’m used to.”

Copyright 2009 by Associated Press. All rights reserved.
This material may not be published, broadcast, rewritten or redistributed.

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