Professor Buck Awe

Elmo Slide Dancer

Himself

Himself

Ernie

Himself

Gordon, Trash Gordon, Gordon Robinson, Mr. Heartstrong (Gordon), Big Murray (Gordon), Hard Head Henry Harris, Boxer Gordon, Hardhead Henry Harris, Subject #2 (Gordon)

Himself

Mother Goose

Herself

Himself

Sofia, Penguin

Prairie Dawn, Zoe, Muppet, Polly Darton, Arlene Frantic, Betty Lou, Little Bird, Big Grad Wolf, Jungle Girl, Little Red Riding Hood...

Himself

Julia

Himself

Herself

Ruthie, Suzie Kabloozie, Gladys Ormphby, Ruthi, Guest Appearance in 'A New Way to Walk', Suzie Kabloozi, The Grouch Princess

Himself

Two-Headed Monster, Gladys the Cow, Forgetful Jones, Placido Flamingo, Don Music, Sully, Timmy Twiddlebug, Sonny Friendly, Green Alphabeat, Spaceship Surprise Mate...

Elmo, Hoots the Owl, Muppet, Clementine, Watson, Baby Natasha, Baby Tooth, J.P., King, Sad...

Himself

Himself, Wild Nature Survivor Guy

Susan, Susan Robinson, Mrs. Heartstrong (Susan), Mahna Mahna's Backup Girl, Roosevelt's Mother, Girl, Mother, Mother ('Five People in My Family'), Mother (Purple) - singing, Piccolo Player...

Himself, Inspector 4

Muppet, Curly Bear, Additional Muppets, Christina Aguilera Muppet, Elizabeth, Grover's Mom, Lulu, Super Fairy, Googel, Google...