Peanuts specials. This came after Coca-Cola asked Mendelson if he had a Christmas special. He said "yes." The next day he called Schulz up and said they were making "A Charlie Brown Christmas". The animated version of "Peanuts" differs in some aspects from the strip. In the strip, adult voices are heard, though conversations are usually only depicted from the children's end. To translate this aspect to the animated medium, the sound of a trombone with a solotone mute (created by Vince Guaraldi played by Dean Hubbard) was used to simulate adult "voices." A more significant deviation from the strip was
What a Cartoon! intervention: for example, even the music would be an individually crafted score. Each ""Looney Tunes" length" (7 minutes) short would debut, by itself, as a stand-alone cartoon on Cartoon Network. Seibert explained the project's goal in a 2007 blog post: "We didn’t care what the sitcom trends were, what Nickelodeon was doing, what the sales departments wanted. [...] We wanted cartoons." The "What a Cartoon!" staff had creators from Europe (Bruno Bozzetto), Asia (Achiu So), and the United States (Jerry Reynolds and colleague Seth MacFarlane). The crew also contained young series first timers (like Genndy Tartakovsky, Craig McCracken, Rob Renzetti,