The Amazing World of Gumball/Sonic Adventure


 * Gumball as Sonic
 * Darwin as Tails
 * Sal Left Thumb as Dr. Eggman
 * Julius Jr. as Knuckles
 * Penny as Amy
 * Bobert as Gamma
 * Rob as Shadow
 * Rachel as Rouge
 * Molly as Tikal
 * Kenneth as Chaos
 * William as Omochao
 * Clare as Maria