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Original Description:
 
Here’s my South Park cast, Sesame Street crossover version.
 

 
The Sensitive One (Stan Marsh): Grover  
The Self-Centered One (Eric Cartman): Elmo  
The Intelligent One (Kyle Broflovski): Abby Cadabby  
The Heroic One (Kenny McCormick): Julia  
The Innocent One (Butters Stotch): Fangie  
The Mature One (Wendy Testaburger): Jackie Lynn Thomas  
The Cynical One (Craig Tucker): Blogg  
The Paranoid One (Tweek Tweak): Gonnigan  
The Friendly One (Bebe Stevens): Donald Duck  
The Sweet One (Heidi Turner): Apple Bloom  
The Not-So-Clever One (Clyde Donovan): Lucy (SweetieTodd)  
The Calm One (Token Black): Ashley (Warioware)  
The Cheerful One (Phillip “Pip” Pirrup): Ashley Mara  
The Not-So-Bright One(Scott Malkinson): Foxy the Pirate Fox (Movieunleashers)  
The Optimistic One (Jimmy Valmer): Salina Loulou  
The Cognizant One (Timmy Burch): SML Bowser Junior  
The Benevolent One (Red): Janna Ordonia  
The Young Genius (Ike Broflovski): Jeffy  
The Angry One (Shelly Marsh): Foxy 2.0 (Movieunleashers)