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| Character | Actor/Muppeteer | Description |
|---|---|---|
| Lefty the Salesman | Frank Oz | A shady-looking salesman who speaks with whispery voice. He is usually performed by Frank Oz except in 2 sketches of Season 1 where he was performed by Caroll Spinney. |
| Little Bird | Fran Brill | Wise, soft-spoken, and matter-of-fact little bird who is good at explaining concepts for his friend Big Bird. |
| Little Jerry | Jerry Nelson | A green Anything Muppet who is the lead singer of the rock group "Little Jerry and the Monotones". Many of their songs were written by Jeff Moss. |
| Little Murray Sparkles | Stephanie D'Abruzzo | (1998) Elizabeth's beloved pet cat. Elizabeth was short-lived, but Little Murray Sparkles became a recurring character. |
| Liz Lemon | Stephanie D'Abruzzo | (Episode 4168) A lemon parody of Tina Fey's 30 Rock character of the same name. |
| Louie | Bill Barretta | Elmo's dad. He made his first onscreen appearance in Sesame Beginnings. |
Read more about this topic: List Of Sesame Street Muppets