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! custom in live action film and television, the company did not pay each creator for the storyboard submitted and pitched. For the first time in the studio's history, individual creators could retain their rights, and earn royalties on their creations. While most in the industry scoffed at the idea, encouragement, according to Seibert, came from the cartoonists who flocked to Hanna-Barbera with original ideas. The format for "What a Cartoon!" was ambitious, as no one had ever attempted anything similar in the television animation era. The shorts produced would be a product of the original cartoonists' vision, with no executive