South Park/Sonic X

Cast

 * Eric Cartman as Sonic
 * Butters Stotch as Tails
 * Stan Marsh as Knuckles
 * Liane Cartman as Amy
 * Sally Darson as Cosmo
 * Wendy Testaburer as Cream
 * Kyle Broflovski as Shadow
 * Bebe Stevens as Rouge
 * Randy Marsh as Vector
 * Gerald Broflovski as Espio
 * Stuart McCormick as Charmy
 * Sharon Marsh as Vanilla
 * Scott Tenorman as Dr. Eggman
 * Terrance as Decoe
 * Philip as Bocoe
 * Damien as Bokkun
 * Clyde as Chris
 * Nelly as Frances
 * Token as Danny
 * Lexus as Helen
 * Chris Stotch as Chris's Dad
 * Linda Stotch as Chris's Mom
 * Grandpa Marsh as Chuck
 * Grandma Marsh as Ella
 * Mr. Garrison as Mr. Tanaka
 * Mr. Mackey as Mr. Stewart