The Grim Adventures of Billy & Mandy/Sonic

Cast

 * Billy as Sonic
 * Irwin as Tails
 * Mindy as Amy Rose
 * Dora the Explorer (From Dora the Explorer) as Cream
 * Sperm as Shadow
 * Mr. L (from Super Paper Mario) as Silver
 * Mandy as Blaze
 * Grim as Dr. Eggman
 * Harold as Vector
 * Gladys as Vanilla
 * Stan Marsh (From South Park) as Charmy Bee
 * Kyle Broflovski (From South Park) as Espio