* Kermit
* Miss Piggy
* Statler
* Waldorf
* Astoria (Waldorf's wife)
* Fozzie Bear
* Crazy Harry (likes explosions)
* Lew Zealand (throws fish)
* Scooter
* J.P. Grosse (Scooter's uncle who owns the theatre)
* Bobby Benson and his Baby Band
* Tom, Dick, and Harry, the 3-headed creature
* Annie Sue (Miss Piggy's rival)
* Timmy Monster
* Thog
* George the Janitor
* Rowlf
* The Great Gonzo
* Sam the American Eagle
* Swedish Chef
* Link Hogthrob
* Camella the Chicken
* Dr. Julius Strangepork
* The Muppet News Reporter
* Sweetums
* Nigel the conductor (wrote theme music)
* Showered Rosell (sports anouncer)
* Muppy
* Foo-foo
* Robin
* Andre the Artist
* Hilda (from Wardrobe)
* Dr. Bunson Honeydew
* Beaker
* Annie Sue
* The Gargling Gargoyl
* Marvin Suggs and his Amazing Muppephone
* (Also, M.S. and his All-Food Glee Club)
* Beauregard
* Clifford (Jim Henson's last creation -- only two known appearences)
* Mahna mahna
* Wayne and Wanda
* Rizzo and various other rats
* Lewis Kezagger -- sportscaster
* Uncle Deadly
* Granny the Gouger
* Flying Zucchini Brothers
* Dr. Teeth and the Electric Mayhem
* Dr. Teeth -- keyboards
* Sgt. Floyd Pepper -- guitar
* Zoot -- saxophone
* Janis -- guitar, vocals
* Animal -- drums
* Lips -- trumpet (later)
* Veterinarian's Hospital
* Dr. Bob (Rowlf)
* Nurse Piggy
* Nurse Janice
* Pigs in Space
* The Swinetrek
* Captain Link Hogthrob
* Dr. Julius Strangepork
* First Mate Piggy