Dr. Seuss/Adventure Time

Cast

 * The Cat in the Hat as Finn
 * Sam-I-Am as Jake
 * The Grinch as Ice King
 * Norval the Fish as Beemo
 * Pam-I-Am as Lady Rainicorn
 * Sarah Hall-Small as Princess Bubblegum
 * Jane Kangaroo as Matceline the Vampire Queen
 * Little Cat Fleep as Chet
 * Joey as Mr. Cupcake
 * Mr. Brown as Starchy
 * Horton the Elephant as Cinnamon Bun
 * Yertle the Turtle as Sir Slicer
 * Mack the Turtle as Duke of Nuts
 * Wickershams as Cuties and Goblins
 * Thidwick the Big-Hearted Moose as Donut Guy
 * Cindy Lou Who as Fionna
 * Daisy-Head Mayzie as Cake
 * The White-Tufted Floozle Bird as Ice Cream Lady
 * The Lorax as Choose Goose
 * Conrad as Jermaine
 * Sylvester McMonkey McBean as Muscle Prince
 * The Yapper-Nap as Donny
 * and more