Mr. Hankey, the Christmas Poo aspects of Christmas from South Park to remain politically correct and inoffensive. The episode was written and directed by the series' co-creators Trey Parker and Matt Stone. The Mr. Hankey character was based on an idea from Parker's childhood; when Parker and Stone conceived the "South Park" series, they wanted to make Mr. Hankey the lead character. Heavily influenced by the "Peanuts" Christmas special "A Charlie Brown Christmas" from 1965, "Mr. Hankey, the Christmas Poo" was the first Christmas-themed "South Park" episode, the first musical episode, and the only episode in season one (and therefore the first time in the
What a Cartoon! company to pay for the whole program. In addition to the eventual spin-offs, the "What a Cartoon!" short "Larry and Steve" by Seth MacFarlane featured prototypes of characters that would later go on to become MacFarlane's massively successful "Family Guy". The "What a Cartoon!" project and its assorted spin-offs brought Cartoon Network more commercial and critical success, and the network became an animation industry leader as the 1990s drew to a close. In 2001, coinciding with the death of William Hanna, Hanna-Barbera Productions merged with Warner Bros. Animation and Cartoon Network opened its own production arm, Cartoon Network Studios, in