| Picture | Name | Production | Notes |
|---|---|---|---|
| Kermit the Frog | Kermit's Swamp Years | Kermit through the years concept art, displayed at Muppetfest. |
| Baby Kermit | The Muppets Take Manhattan and A Muppet Family Christmas | Baby Kermit puppet. |
 | Baby Kermit | Muppet Babies | The animated Baby Kermit. |
| Kid Kermit | Muppet Kids | Illustrated pre-teen Kermit. |
| Young Kermit | Kermit's Swamp Years | A young Kermit the Frog. |
| Kermit the Frog | Kermit the Frog at his regular timeless adult age. | |
| Old Kermit | Muppets Most Wanted | Piggy and Kermit sing that they'll "grow grey and old, and live the quiet life" in "Something So Right". |
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