TimmyTurnerRockz's Movie-Spoof of 'Daffy Duck's Quackbusters' Cast * Gumball (The Amazing World of Gumball) as Daffy Duck * Penny (The Amazing World of Gumball) as Melissa Duck * Timmy Turner (The Fairly Oddparents) as Bugs Bunny * Darwin (The Amazing World of Gumball) as Tweety * Richard (The Amazing World of Gumball) as Sylvester * Keswick (T.U.F.F. Puppy) as Porky Pig