Grandpa Abe Simpson/Dr. Seuss

Cast

 * Grandpa Abe Simpson as The Cat in the Hat
 * Apu as Mack the Turtle
 * The Yes Guy as Horton the Elephant
 * Superintendent Chalmers as Joey
 * Mr. Burns as Norval the Fish
 * Ralph Wiggum as Sam-I-Am
 * Homer as Gramps
 * Michael D'Amico as The Lorax
 * Kearney as Mr. Knox
 * Dolph as Fox in Socks
 * Lou as Conrad
 * Moe as The Grinch
 * Lenny as North-Going Zax
 * Carl as South-Going Zax
 * The Sea Captain as Thidwick the Big-Hearted Moose
 * Allison Taylor as Sarah Hall-Small
 * Old Gill as Little Cat Fleep
 * and more