• Bowser Jr. as The Cat in the Hat
  • Bowser as Joey
  • Chef Pee Pee as Sam-I-Am
  • Shrek as Horton the Elephant
  • Joseph as Mack the Turtle
  • Black Yoshi as Mr. Brown
  • Cody as Marvin K Mooney
  • The Rat as Little Cat B
  • Brooklyn Guy as Little Cat A
  • Toad as The Lorax
  • Paulina as Cindy Lou Who
  • Emily Coleman as Sarah Hall-Small
  • Judy as Pam-I-Am
  • Peach as Ichabot
  • Stacy as Izzy
  • Charleyyy as King Derwin
  • Mario as Norval the Fish
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