The Adventures of Elmo In Grouchland/Sonic

Cast

 * Big Bird as Antoine
 * Snuffy as Sonic
 * Elmo as Tails
 * Zoe as Amy
 * The Blanket as The Red Carpet (from T&F)
 * Dorothy as Luigi (from Mario)
 * Ernie and Bert as Mr. Thorndyke and Rotor
 * Ernestine as Cosmo
 * Brad as Professor Von Schlemmer
 * Cookie Monster as Big
 * Grover as Knuckles
 * Rosita as Sally
 * Simon Soundman as Spelunk
 * How Now Brown as G.U.N Commander
 * The Honkers as Various Robots
 * Count Von Count as Espio
 * The Countess as Breezie
 * Athena the Owl as Sam Speed
 * Herry Monster as Shadow
 * Gladys the Cow as Blaze the Cat
 * Guy Smiley as Coconuts
 * The Two-Headed Monster as Heavy/Bomb
 * The Alarm Clock Bird as Charmy Bee
 * Prairie Dawn as Rouge
 * Juggler as Timothy
 * Gordon as Ari
 * The Alphabeats as Silver Big Grizz Big Mike and Mighty
 * Susan as Tikal
 * Stinky the Stinkweed as Manic
 * Oscar as Snivley
 * Bruno as Storm
 * Grundgetta as Bunnie
 * Hero Guy as Captain William Ledue
 * Baby Bear as Robot the Robot
 * Bob as Mr. Tanaka
 * Sherlock Hemlock as Jet
 * Watson as Odie
 * Hoots the Owl as Toadsworth (from Mario)
 * Kermit as Wario (from Mario)
 * Dinger as Nate Morgan
 * Abby as Cream
 * Sully and Biff as Scratch and Grounder
 * Huxley as SATAM Robotnik
 * Bug as Rocket the Sloth
 * The Giant Chicken as Dulcy
 * The Queen of Trash as Queen Acorn
 * The Grouches as The Villains
 * The Bad Humor Man as Vector
 * The Grouch Mayor as Doctor Warpnik
 * The Grouch Cop as Sleet
 * The Grouch Jailer as Dingo
 * Old Grouch Man as Captain Rescue
 * Grizzy as Lupe
 * Football Stenchman as Hobodyke
 * Collander Stechman as Station Square President
 * Grouch Cab Driver as Orbot
 * Donald Grump as Cubot
 * Grouch Ice Cream Customer as Bocoe
 * Grouch Parrot as Decoe
 * Caterpillar as Chris Thorndyke
 * Huxley's Helicopter as Rocket Mobile
 * Stuckweed as Cheese
 * The Fireflies as The Bees (from T&F)
 * The Pestities as Mario's Team