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! Butch Hartman, and John R. Dilworth), but veterans as well (like Don Jurwich, Jerry Eisenberg, and Ralph Bakshi). In addition to the veterans, William Hanna and Joseph Barbera each produced two shorts each for "What a Cartoon!". Many of the key crew members from previous Hanna-Barbera series "2 Stupid Dogs" joined the team of "What a Cartoon!" as well. Many of its crew members later went on to write and direct for "Dexter's Laboratory", "Johnny Bravo", "Cow and Chicken", "I Am Weasel", and "The Powerpuff Girls", including those named above. "The Kitchen Casanova" director John McIntyre is particularly known for