A
| Character | Actor/Muppeteer | Description | |
|---|---|---|---|
| Abby Cadabby | Leslie Carrara-Rudolph | (2006–present) A fairy who was created to increase the number of female Muppets. Daughter of a fairy godmother (who is spoken about but never seen), she "has her own point of view and is comfortable with the fact that she likes wearing a dress". | |
| Alice Snuffleupagus | Judy Sladky | (1988–present) Baby sister of Aloysius Snuffleupagus ("Snuffy"). She has "luxurious, pale-golden fur", long eyelashes, and a blue-checkered hair ribbon. She is half Snuffy's size. Her arms and legs are controlled by a Muppeteer, while her eyes and mouth are controlled remotely. | |
| Alistair Cookie | Frank Oz (1980–1999) | Played by Cookie Monster, he appeared in the parody Monsterpiece Theater. At first, he appeared with a pipe that he later ate. The pipe was removed because according to executive producer Carol-Lynn Parente, it "modeled the wrong behavior". He is a parody of Alistair Cooke. | |
| Amazing Mumford | Jerry Nelson | A "W.C. Fields-esque" magician whose magic tricks often go awry. His catch phrase, and most-often used to produce his tricks, is "A-là-peanut butter sandwiches". | |
| Anne Phibian | Fran Brill | (Episode 4201) Announcer of the game show "Find the Amphibian" which was played by Elmo and Abby Cadabby. | |
| Anything Muppets | Various Performers | (1969–present) Writer Christopher Finch called Anything Muppets "unadorned puppet torsos and heads" used for a single role or purpose. This ever-expanding troupe of Muppets came in all shapes, sizes, and appearances. | |
| AM Monsters | Various Performers | (1969–present) Short for "Anything Muppet Monsters," the AM Monsters are customizable Muppet Monsters like the Anything Muppets and the Whatnots from The Muppet Show. According to writer Louise Gikow, Elmo started out as an AM Monster. | |
| Aristotle | Richard Hunt | A blind monster. | |
| Arlene Frantic | Fran Brill | (1970) Appeared in the Sesame Street sketch "What's My Part". | |
Read more about this topic: List Of Sesame Street Muppets