Mr. Hankey, the Christmas Poo classic Christmas specials with their own irreverent "South Park" twist, and so they watched the famous 1965 "Peanuts" special, "A Charlie Brown Christmas", repeatedly during the production process. Parker said, "At this point, we just sort of wanted to do a Charlie Brown Christmas "South Park" version. That [special] was definitely a huge part of my life growing up." The episode was considered the first "South Park" musical episode, and included such songs as "Mr. Hankey, the Christmas Poo", "A Lonely Jew on Christmas" and "Kyle's Mom is a Big Fat Bitch". Parker and Stone were initially concerned about making
What a Cartoon! became the first spin-off of "What a Cartoon!" in 1996. Two more series based on shorts, "Johnny Bravo" and "Cow and Chicken", premiered in 1997, and "The Powerpuff Girls" became a weekly half-hour show in 1998. "Courage the Cowardly Dog" (spun off from the Oscar-nominated short "The Chicken from Outer Space") followed as the final spin-off in 1999. In addition, the "Cow and Chicken" short "I Am Weasel" eventually was also spun off into a separate series: in all, six cartoon series were ultimately launched by the "What a Cartoon!" project, any one of which earned enough money for the