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

See also

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