Blondie (comic strip) was adapted into a long-running series of 28 low-budget theatrical B-features, produced by Columbia Pictures. Beginning with "Blondie" in 1938, the series lasted 12 years, through "Beware of Blondie" (1950). The two major roles were Penny Singleton as Blondie and Arthur Lake (whose first starring role was another comic strip character, Harold Teen) as Dagwood. Faithfulness to the comic strip was a major concern of the creators of the series. Little touches were added that were iconic to the strip, like the appearance of Dagwood's famous sandwiches—and the running gag of Dagwood colliding with the mailman amid a flurry of
What a Cartoon! would later go on to make "Gravity Falls" for Disney Channel/Disney XD. The studio launched another animation showcase in 2006, titled "Random! Cartoons", which in turn produced Nickelodeon's "Fanboy & Chum Chum" in 2009, Cartoon Network's "Adventure Time" in 2010, and Cartoon Hangover's "Bravest Warriors" in 2012. A sequel-of-sorts to the "What a Cartoon!" project, a Cartoon Network project titled "The Cartoonstitute", was announced in April 2008. Created by the channel executive Rob Sorcher and headed by "The Powerpuff Girls" creator Craig McCracken, the project was to "establish a think tank and create an environment in which animators can create