South Park and Codename: Kids Next Door/Sonic

Cast

 * Stan Marsh as Sonic
 * Numbuh 4 as Tails
 * Wendy Testaburger as Princess Sally Acorn
 * Numbuh 1 as Antoine
 * Numbuh 2 as Rotor
 * Kyle Broflovski as Knuckles
 * Numbuh 362 as Bunnie Rabbot
 * Numbuh 5 as Amy Rose
 * Numbuh 3 as Cream
 * Numbuh 86 as Breezie
 * Heinrich Von Marzipan as Shadow
 * Shelly Marsh as Rouge
 * Eric Cartman as Dr. Robotnik