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Name: Kermit the Frog
First Appearance: Sam and Friends (1955)
Description: Rowlf the Dog may have been the first muppet to become famous, but today few icons are as easily recognizable as the green frog. He debuted as a general lizard-like animal, though he evolved creatively into a frog. He has humble beginnings, having grown up in the swamp, but he was always meant for bigger and greater things.
Kermit is the leader of the muppets who they often look to for the next course of action, as he'"