YouTube Video Idea: The Muppet Movie - Rainbow Connection Finale but With South Park Characters

This is my idea for a YouTube video, focusing on The Muppets and South Park. This scene is seen in The South Park Movie (My Version).

Prominent Characters

 * Randy

Speaking Characters

 * Stan Marsh
 * Kyle
 * Kenny
 * Eric Cartman
 * Butters
 * Craig
 * Jimmy
 * Tweek
 * Clyde
 * Tolkien
 * Scott M.
 * Sharon
 * Sheilla
 * Mrs. McCormick
 * Mrs. Cartman
 * Mrs. Stotch
 * Mrs. Tucker
 * Mrs. Tweak
 * Mrs. Valmer
 * Betsy Jr.
 * Mrs. Black
 * Gerald
 * Mr. McCormick
 * Mr. Stotch
 * Mr. Tucker
 * Mr. Tweak
 * Mr. Valmer
 * Mr. Donovan
 * Mr. Black
 * Wendy
 * Bebe
 * Heidi
 * Red
 * Pip
 * Damien
 * Pockett (revived)
 * Estella
 * Christophe (revived)
 * Mr. Garrison
 * Mr. M'Kay
 * Chef (revived)
 * Principal Victoria
 * Brimmy
 * Francis
 * Douglas
 * Gary
 * Shelley
 * Ike
 * Kevin
 * Karen
 * Isla
 * Theresa
 * Sally

Background Characters

 * Stripe (Craig's Pet)
 * Mr. Kitty (Eric Cartman's Pet)
 * Fluffy (Eric Cartman's 2nd Pet)
 * Rex (Clyde's Pet)
 * Sparky (Stan Marsh's Pet)
 * Timmy