JackRockz's Movie-Spoof of ''Sesame Street'' Cast Dudley Puppy (TUFF Puppy) as Big Bird Dinko (Pet Alien) as Elmo Wakko (Animaniacs) as Grover Huckleberry Hound and Ding A Ling as Bert and Ernie Phineas (Phineas and Ferb) as Benny Rabbit Isabella (Phineas and Ferb) as Abby Cadabby Candace (Phineas and Ferb) as Lulu Ferb (Phineas and Ferb) as Nelson Bailjeet (Phineas and Ferb) As Maurice Stacy (Phineas and Ferb) as Lilly WALL-E as The Count Po (Kung Fu Panda) as Cookie Monster Mordecai (Regular Show) as Oscar the Grouch