Dr. Seuss/Super Mario Bros.

Mario as The Cat In The Ha

Iggy Koopa as Thing 1

Lemmy Koopa as Thing 2

Oogtar as Norval the Fish

Rosie (from Caillou) as Sally

Caillou (from Caillou) as Conrad/Nick

Baby Mario as Little Cat A

Baby Yoshi as Little Cat B

Elmo (from Sesame Street) as Little Cat C

Baby Luigi as Little Cat Z

Bowser as The Grinch

Ten Cents (from TUGS) as Max (The Grinch's Dog)

Birdo as Cindy-Lou Who

Yoshi as Sam-I-Am

Donkey Kong as The Grouchy Guy/Joey (Sam-I-Am's Friend)

Toad as Mr. Brown

Wario as The Lorax

Larry Koopa as Fox In Socks

Ludiwg Von Koopa as Mr. Knox

Flickies (from Sonic) as Sneetches

Goombas and Koopas as Wickershams

King K Rool as Yertle the Turtle

Lotso (from Toy Story 3) as Thidwick the Moose

Diddy Kong as Horton the Elephant

Spyro (from Spyro) as Morton the Elephant Bird

Morton Koopa Jr as North-Going Zax

Roy Koopa as South-Going Zax

Wendy O Koopa as Jane Kangaroo

Green Toad as Junior Kangaroo

King Koopa as Vlad Vladikoff

Captain Star as King Derwin