The company was founded by Klasky and Csupo in a spare room of their apartment in 1982, and grew to 550 artists, creative workers, and staff in an animation facility in Hollywood. During the 1990s and early-mid 2000s, they produced and animated era-defining shows for Nickelodeon such as "Rugrats", "Aaahh!!! Real Monsters", "The Wild Thornberrys", "Rocket Power", "As Told by Ginger", and "All Grown Up!", as well as "Duckman" on USA Network. In 2008, Nickelodeon ended their long-running partnership with Klasky Csupo and its shows ceased production.