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! ended on June 1, 2008. In 2007, reruns of "What a Cartoon!" played briefly on Cartoon Network's retro animation sister channel, Boomerang. "What A Cartoon!" is the 1st short cartoon incubator created by Fred Seibert. Starting with WAC! and continuing throughout his cartoon career, his Frederator Studios has persisted in the tradition of surfacing new talent, characters, and series with several cartoon shorts "incubators," including (as of 2016): "What A Cartoon!" (Cartoon Network, 1995), Nickelodeon/Nicktoons' own "Oh Yeah! Cartoons" (1998), "Nicktoons Film Festival" (2004), "Random! Cartoons" (2008), "The Meth Minute 39" (Channel Frederator, 2008), "The Cartoonstitute" (Cartoon Network, 2009/unfinished), "Too