South Park trivia from Imgur
Adam Rifkin stashed this in South Park
Cartman's mom is named Liane after Trey Parker's former fiance. He caught her with another man, and so he named the promiscuous character after her.
The characters of Terrance and Phillip were created because Trey Parker and Matt Stone kept getting complaints about the show being "nothing but bad animation and fart jokes".
The character of Mr. Hankey was inspired by something from Trey Parker's childhood. When Trey was a kid, he had the habit of not flushing the toilet. Because of this, Trey's dad told him that if he didn't flush the toilet "Mr. Hankey" would come out and eat him.
Butters was originally named Poof Poof and his birthday is on September 11th.
The character of Chef is based on an actual dining hall worker at the University of Colorado, the college Trey Parker and Matt Stone attended.
To date South Park still holds the Guinness World Record for "Most Swearing in animated series."
In the late 1990's, a mother in Canada filed a complaint against the series that her young son, named Kenny, was being traumatized by the death of the character Kenny in each episode. She requested the CRTC (Canada's equivalent of the FCC) to pressure Parker and Stone into changing Kenny's name to something else. Her request was thrown out.
Butters' supervillain alter-ego, Professor Chaos, is based on Marvel Comics villain Dr. Doom.
In the original unaired pilot, Stone and Parker used the pseudonyms Tupac Schwartz and M.C. Goldstein in the credits.
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