Question: hat is the full name of the South Park character, voiced by Trey Parker, who is a member of the Junior Detective's Club in the sixth episode of the seventh season?

Context articles: Freemium Isn't Free
South Park (season 2)
South Park (season 10)
The Mexican Staring Frog of Southern Sri Lanka
Summer Sucks
Carmen Sandiego: Junior Detective
Lil' Crime Stoppers
Eric Cartman
Stan Marsh
South Park (season 7)

"Freemium Isn't Free" is the sixth episode in the eighteenth season of the American animated television series "South Park".
 The 253rd episode overall, it was written and directed by series co-creator and co-star Trey Parker.
 The episode premiered on Comedy Central in the United States on November 5, 2014.
 The episode lampoons the popularity of freemium mobile apps such as "" and "".
 The episode links addiction to freemium games to other addictions, including alcoholism and gambling addiction, and their possible genetic predisposition.
Season two of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on April 1, 1998.
 The second season concluded after 18 episodes on January 20, 1999; it remains the longest season of "South Park" to date.
 While most of the episodes were directed by series creator Trey Parker, Season 2 includes two episodes directed by Eric Stough.
The tenth season of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 22, 2006.
 The tenth season concluded after 14 episodes on November 15, 2006.
 This is the first season in which Kenny does not die and the last season featuring Isaac Hayes (the voice of Chef) as Hayes quit the show following the backlash behind season nine's "Trapped in the Closet" episode.
 This season also had a minor controversy when the Halloween episode "Hell on Earth 2006" depicted "The Crocodile Hunter's" Steve Irwin with a stingray lodged in his chest getting thrown out of Satan's Halloween party for not being in costume.
 Episode 2 in this season is the last one with the Braniff Airlines logo.
 All the episodes in this season were written and directed by Trey Parker.
"The Mexican Staring Frog of Southern Sri Lanka" is the sixth episode in the second season of the American animated television series "South Park".
 The 19th episode of the series overall, it originally aired on Comedy Central in the United States on June 10, 1998.
 The episode was written by series co-creators Trey Parker and Matt Stone, and directed by Parker.
"Summer Sucks" is the eighth episode in the second season of the American animated television series "South Park".
 The 21st episode of the series overall, it originally aired on Comedy Central in the United States on June 24, 1998.
 The episode was written by series co-creator Trey Parker, along with Nancy M. Pimental, and directed by Parker.
 Jonathan Katz makes a guest appearance as himself.
 In the episode, Summer arrives and the town of South Park celebrate Independence Day by building and lighting a giant snake firework, since regular fireworks are illegal.
 Jimbo and Ned travel to Mexico to obtain fireworks, while the giant snake threatens to destroy the country.
 Meanwhile, Mr. Garrison struggles to cope with the loss of his hand puppet, Mr. Hat.
Carmen Sandiego: Junior Detective (sometimes referred to as Carmen Sandiego: Junior Detective Edition, Junior Detective Edition, or Where in the World is Carmen Sandiego: Junior Detective Edition) is a 1995 education game in the "Carmen Sandiego" franchise developed by Brøderbund.
 Although not a version of "Where in the World Is Carmen Sandiego?"
 by name, it is essentially a simplified version of it for pre-readers.
 Allgame says the game "is geared for younger users, with only 14 cases to solve".
 The lead characters of the FOX animated series "Where on Earth is Carmen Sandiego?
", Zack and Ivy were included in the game, along with Stretch - "ACME's crime-tracking dog".
"Lil' Crime Stoppers" is the sixth episode of the seventh season of the American animated television series "South Park", and the 102nd episode of the series overall.
 It first aired on Comedy Central April 23, 2003.
 In the episode, Stan, Kyle, Cartman and Kenny start a Junior Detective's Club and are soon recruited by the Park County police department.
 However, the boys soon find out that being real detectives isn't as fun as they thought.
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.
Stanley Randall "Stan" Marsh is the protagonist of the animated television series "South Park".
 He is voiced by and loosely based on series co-creator Trey Parker.
 Stan is one of the show's four central characters, along with his friends Kyle Broflovski, Kenny McCormick and Eric Cartman.
 He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Parker and long-time collaborator Matt Stone in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Season seven of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 19, 2003.
 The seventh season concluded after 15 episodes on December 17, 2003, and was written and directed by Trey Parker.