Question: "Cartman's Mom Is a Dirty Slut" is the first season finale of the American animated television series "South Park", it is part one of a two-episode story arc, which concluded with "Cartman's Mom Is Still a Dirty Slut", the episode concludes the storyline of the season one finale "Cartman's Mom Is a Dirty Slut"; who is suddenly shot, just as he is about to reveal the identity of Cartman's father?
Context: "Cartman's Mom Is Still a Dirty Slut" is the second episode in the second season of the American animated television series "South Park".  The 15th episode of the series overall, it premiered on Comedy Central in the United States on April 22, 1998.  The episode concludes the storyline of the season one finale "Cartman's Mom Is a Dirty Slut"; Mephesto is suddenly shot, just as he is about to reveal the identity of Cartman's father.  The four boys and Chef rush him to Hell's Pass Hospital while the town of South Park experiences a massive blizzard. "Cartoon Wars Part I" is the third episode in the tenth season of the American animated television series "South Park".  The 142nd episode of the series overall, it first aired on Comedy Central in the United States on April 5, 2006.  It is the first part of a two-episode story-arc, which concludes with "Cartoon Wars Part II".  In the episode, it is announced that a "Family Guy" episode will air with the Muslim prophet Muhammad as a character, leaving the whole of the United States fearing for their lives.  Cartman apparently believes that the episode is offensive to Muslims and decides to go to Hollywood to try to get the episode pulled. "Sponsored Content" is the eighth episode of the nineteenth season and the 265th overall episode of the animated television series "South Park", written and directed by the series co-creator Trey Parker, and is also the first episode of a three-episode story arc that serves as the season finale.  The episode premiered on Comedy Central on November 18, 2015.  It parodies the abundance of online advertising, native advertising and clickbaits while humorously linking them to artificial intelligence, while continuing its season-long lampoon of political correctness.  The story arc of this episode continues into the following episode "Truth and Advertising" and concludes with the episode "PC Principal Final Justice". "Scott Tenorman Must Die" is the fourth episode of the fifth season of the American animated television series "South Park", and the 69th episode of the series overall.  It first aired on Comedy Central in the United States on July 11, 2001.  In the episode, ninth-grader Scott Tenorman makes Cartman believe that buying pubic hair from him will make Cartman reach puberty.  Realizing that he had been tricked, an angry Cartman murders Scott's parents and feeds them to him. "Truth and Advertising" is the ninth episode of the nineteenth season and the 266th overall episode of the animated television series "South Park", written and directed by series co-creator Trey Parker.  It is the second part of a three-episode story arc which began with the previous episode "Sponsored Content" and concludes with the following episode "PC Principal Final Justice" that together serve as the season finale.  It premiered on Comedy Central on December 2, 2015.  Like the previous episode, this episode continues to parody the abundance of online advertising while continuing its season-long lampoon of political correctness. "Go God Go" is the twelfth episode in the tenth season of the American animated television series "South Park".  The 151st episode of the series overall, it originally aired on Comedy Central in the United States on November 1, 2006.  The episode is the first in a two-part story arc, which concludes with "Go God Go XII".  In "Go God Go", Cartman is unable to wait the three weeks until the Wii video game console is released, and attempts to freeze himself to get closer to the release date, but accidentally ends up much later in the future, in the atheistic world of 2546.  The episode was written and directed by "South Park" co-creator Trey Parker. "Starvin' Marvin" is the eighth episode in the first season of the American animated television series "South Park".  It first aired on Comedy Central in the United States on November 19, 1997.  In the episode, Cartman, Kenny, Kyle and Stan send money to an African charity hoping to get a sports watch, but are instead sent an Ethiopian child whom they dub "Starvin' Marvin".  Later, Cartman is accidentally sent to Ethiopia, where he learns activist Sally Struthers is hoarding the charity's food for herself.  In an accompanying subplot, after genetically engineered turkeys attack South Park residents, Chef rallies the residents to fight back, in a parody of the film "Braveheart". "Tonsil Trouble" is the first episode in the twelfth season of the American animated television series "South Park", and the 168th episode of the series overall.  Written and directed by series co-creator Trey Parker, it first aired on Comedy Central in the United States on March 12, 2008.  In the episode, Cartman contracts HIV during a blood-transfusion.  When Kyle laughs at Cartman's misfortune, Cartman intentionally infects Kyle with his disease as well. Eric Theodore Cartman, often referred to as just Cartman, is a main character in the animated television series "South Park", created by Matt Stone and Trey Parker, and voiced by Trey Parker.  Cartman, generally referred to by his surname, is one of four central characters in "South Park", along with his friends Stan Marsh, Kyle Broflovski, and Kenny McCormick.  Cartman first appeared, originally named Kenny, in prototypical form in a 1992 animated short "Jesus vs. Frosty", and a 1995 animated short "Jesus vs. Santa", and first appeared on television in the pilot episode of "South Park", "Cartman Gets an Anal Probe", on August 13, 1997. "Cartman's Mom Is a Dirty Slut" is the first season finale of the American animated television series "South Park".  It originally aired on Comedy Central in the United States on February 25, 1998.  The episode is the highest viewed episode in the entire "South Park" series, with 6.4 million views.  It is part one of a two-episode story arc, which concluded with "Cartman's Mom Is Still a Dirty Slut".  The episode follows Eric Cartman, one of the show's child protagonists, becoming curious about the identity of his father.  He discovers that his father is most likely a man his mother had sexual intercourse with during an annual party called "The Drunken Barn Dance".  Meanwhile, his friends Stan, Kyle and Kenny participate on "America's Stupidest Home Videos", after filming Cartman playing in his yard with plush toys.
Answer: Mephesto