Klasky Csupo (/ˈklæski ˈtʃuːpoʊ/ KLASS-kee CHOO-poh) is an American multimedia entertainment production company which specializes in animation and graphic design and located in Hollywood, Los Angeles, California. It was founded by producer Arlene Klasky, animator Gábor Csupó and their nephew Attila Csupó, hence the company's name.
The company is known for their animated works with Nickelodeon (which is operated by Viacom), such as Rugrats, All Grown Up, Aaahh!!! Real Monsters!, The Wild Thronberries, As Told By Ginger, and Rocket Power. They also did animation work for The Simpsons as well, for the original short films featured on The Tracey Ullman Show and the start of the series from 1989 to 1992. They are among the many companies that are responsible for the use of The Simpsons in LEGO Dimensions.