An American Tail/Regular Show

Cast

 * Fievel as Mordecai
 * Mr. Daydream from (The Mr. Men Books) as Rigby
 * Warren T. Rat as Benson
 * Onix from (Pokemon) as Skips (Onix and Skips both having "I" in the middle)
 * Slinky Dog from (Toy Story) as Pops