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| Character | Actor/Muppeteer | Description |
|---|---|---|
| Oscar the Grouch | Caroll Spinney | (1969–) Sesame Street's resident Grouch. Oscar is the ultimate pessimist, but has a soft spot for his worm Slimey. One of the first Muppets created for Sesame Street, Oscar gives kids "permission to feel grouchy—and to demonstrate differing opinions". |
| Ovejita | Carmen Osbahr | (2008–present) A little lamb, Ovejita accompanies Murray to various schools in the segment "Murray Had a Little Lamb." |
Read more about this topic: List Of Sesame Street Muppets