Blondie (radio) 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 letters, (which preceded the title sequence in almost every film). The films were typical of family-fare situational comedies of the period, and are endearingly funny in a low-key way. As the series progressed, the Bumstead children grew from toddlers to young adults onscreen. Larry Simms as Baby Dumpling (later known as Alexander) reprised his role in all the films. Daughter Cookie was played by three different child actresses, beginning in 1942 with her first appearance
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