Robocar Poli/Sonic The Hedgehog Fan Film

Cast

 * Poli as Sonic
 * Professer Z (From Cars 2) as Dr. Robotnik
 * Roy, Bucky, Helly, Amber, and Cleany as G.U.N. Soldiers
 * Optimus Prime (From Transformers) as Knuckles
 * and more