Characters and alter-egos assumed by Cookie Monster in Muppet productions.
| Picture | Role | Production / Notes |
|---|---|---|
| Ernie | Sesame Street Episode 0158 Bert says that he's seen Ernie eating cookies. The culprit turns out to be Cookie Monster, disguised with Ernie's hair and shirt. |
| The Great Cookie Thief | Episode 0276 Cookie Monster is outlawed as "The Great Cookie Thief." |
| Doctor Monster | Episode 0691 Cookie Monster pretends to be a doctor so that he can trick Ernie into giving him an apple. |
 | The Cookie Bunny | Episode 1187 Cookie Monster poses as the Cookie Bunny, who leaves cookies for kids to find (and for him to eat). |
| Little Red Riding Hood | Sesame Street News Flash Little Red Cookie Hood brings cookies for his sick grandmother, but Kermit the Frog tells him that sick people should have healthy foods. |
| Casey McPhee, the Engineer | "The Ballad of Casey McPhee" |
| Alistair Cookie | "Monsterpiece Theater" |
| Little Boy Blue | Big Bird's Mother Goose |
| Baby Cookie | Sesame Beginnings and The First Time Me Eat Cookie |
 | A cookie | Sesame Street Halloween card Cookie Monster dressed as a cookie to go trick-or-treating. |
 | Cheshire Cookie Cat | Abby in Wonderland Cookie Monster plays a cat from Cheshire in Abby Cadabby's dream. |
 | Monster Gaga | Saturday Night Live Cookie Monster as a musical guest for Saturday Night Live. |
 | Macarooner | Saturday Night Live Cookie Monster as Macarooner, a parody of MacGruber. |
 | Woman | Saturday Night Live Cookie Monster as a woman. |
 | King | Sesame Street Episode 4075 Cookie Monster as a king. |
 | The Hulk | Episode 4525 An entry of Cookie's Crumby Pictures features Cookie Monster as The Incredible Hulk. |
 | Cowabunga Cookie Shark | Episode 4632 In a Sesame Street turned ocean, Cookie Monster is transformed into the Cowabunga Cookie Shark. |
 | Cookiegorgon | Sharing Things In a viral video spoofing Stranger Things, Cookie Monster plays the role of the "Cookiegorgon" (spoof the series' Demogorgon), a monster from the dimension of Snack-Side Down. He arrives on Earth to chow down on some Halloween treats. |
