Dr. Seuss/The Simpsons

The Cat In The Hat as Home

Horton the Elephant as Barney

Joey (Sam-I-Am's Friend) as Principal Skinner

Norval the Fish as Bart

Sam-I-Am as Lenny

Mr. Brown as Grandpa Abe

The Lorax as Carl

Fox In Socks as Groundskeeper Willie

Mr. Knox as Gravedigger Billy

Matthew Katroom as Chief Wiggum

The Grinch as Mr. Burns

Thing 1 as Rod Flanders

Thing 2 as Todd Flanders

Thidwick the Moose as Dr. Julis Hibbert

Jane Kangaroo as Edna Krabappel

Sarah Hall-Small as Lisa

Little Cat Fleep as Sideshow Mel

North-Going Zax as Nelson

South-Going Zax as Jimbo

Terence McBird as Mr. Smithers

Little Cat A as Lou

Little Cat B as Eddie

Little Cat C as Reverend Lovejoy

Little Cat Z as Martin

Grandpa Jacob as Hans Moleman

The Two-Headed Slare as Donkey Kong & Diddy Kong (from Mario)

Junior Kangaroo as Professor Frink

Goober as Bumblebee Man

Yertle the Turtle as Mayor Quimby

Morton the Elephant Bird as Troy McClure

Max (The Grinch's Dog) as Cletus

Nick as John (from Homer's Phobia)

Sally as Marge

Sneetches as Schooners (from TUGS)

Wickershams as Shrimpers (from TUGS)

Vlad Vladikoff as Sideshow Bob

King Derwin as Mario (from Mario)

Alvin the Alien as Luigi Risotto

The White-Tufted Floozle Bird as Janey Powell

The Yapper-Nap as Johnny Tightlips