Sammy the Snake

From Muppet Wiki

Sammy the Snake sings a song about himself, "Sammy the Snake", in a Sesame Street insert recorded for Season 3.

Another snake character, also called Sammy was performed by Jim Henson in an appearance with Carol Channing for the song, Hello, Sammy!, to the tune of Carol's signature Broadway hit, Hello, Dolly! in 1984.