The Amazing Mumford
Bruno the Garbage Collector
Buster the Horse
Forgetful Jones isn't usually convinced that he should remember some more things.
Frazzle first appeared in 1971. He has a powerful growl and bright shocking tangelo fur. He's growled by the late Jerry Nelson.
Fred the Wonder Horse
Gladys the Cow
Gladys speaks in an operatic voice and debuted in 1975. She was discontinued in 2010. Performed and mooed by Richard Hunt.
Harvey Monster's Friend
Henry and Liza
There's a hole in my bucket, dear Liza, dear Liza, there's a big hole in my bucket...................so I guess I'll have to fix it, dear Liza! I'll fix it right now! Performed by Jim Henson and Rita Moreno.
Hoots the Owl
Joey and Davey Monkey
Kermit the Frog
Little Chrissy and the Alphabeats
Little Jerry and the Monotones
The Martians are a pair of creatures (blue and pink) who say "Yip, yip, yip, yip". From Mars, they discover everyday objects (e.g. telephone, radio, book, clock, fan). They carry around a book they call "Earthbook". The Martians have been performed by various puppeteers, including Jim Henson, Frank Oz, Jerry Nelson, Richard Hunt, David Rudman, Karen Prell, Joey Mazzarino, Martin P. Robinson and John Lovelady.