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Klasky-Csupo, Inc. (pronounced "Class-key Chuppo") is a multimedia entertainment production company which specializes in animation and graphic design located in Los Angeles, California and it was founded by the American artist and producer Arlene Klasky, the master Hungarian animator Gábor Csupó and their nephew Attila Csupó in 1980, hence the company's name. It was known for co-producing a majority of Nicktoons.

Klasky-Csupo did the animation of The Simpsons Ullman shorts and the first three seasons of the series, until the animation was taken by Film Roman. The company had an argument with the executives of the show about "Some Enchanted Evening", the episode that was originally going to be the first one, but was left as the first season finale, since the animation was not good for the producers.


Title Original Run Creator(s) Produced By
The Simpsons 1989–present Created by Matt Groening (Arlene Klasky and Gábor Csupó).
Original shorts (1987-1989), and first 61 episodes only.
Film Roman (episodes 62-603), Fox Television Animation (episodes 604-present), Gracie Films and 20th Century Fox
Rugrats 1991–2004 Created by Arlene Klasky, Gábor Csupó and Paul Germain. Nickelodeon
Aaahh!!! Real Monsters 1994–1998 Created by Gábor Csupó and Peter Gaffney. Nickelodeon
Duckman 1994–1997 Created by Everett Peck. Paramount
Santo Bugito 1995–1996 Developed by Arlene Klasky and Gábor Csupó. Klasky Csupo
The Wacky Adventures of Ronald McDonald 1998–2003 Direct-to-video Klasky Csupo
The Wild Thornberrys 1998–2004 Created by Arlene Klasky, Gábor Csupó, Steve Peppon, David Silverman and Stephen Sustarsic. Nickelodeon
Stressed Eric 1998–2000 Developed by Absolutely Productions.
First season only
Absolutely Productions
Rocket Power 1999–2004 Created by Arlene Klasky and Gábor Csupó Nickelodeon
What's Inside Heidi's Head? 1999 Created by Nancye Ferguson and Mark Mothersbaugh.
Company's first live-action series.
As Told by Ginger 2000–2006 Created by Arlene Klasky, Gábor Csupó and Emily Kapnek.
Several episodes unaired in the United States.
All Grown Up! 2003–2008 Created by Arlene Klasky and Gábor Csupó.
Spin-off of Rugrats.

Rugrats Pre-School Daze

2005 Created by Arlene Klasky and Gábor Csupó.
Spin-off of Rugrats.

Animation Produced By

These are The Simpsons episodes animated by Klasky-Csupo.