Mr. Snuffleupagus is a full-bodied Muppet character who lives with his family in a cave just off of Sesame Street. His species is Snuffleupagus as well as his last name.
Although his friends call him Snuffy, his full name is Aloysius Snuffleupagus. He is eternally four and a half years old, and celebrates his birthday on August 19. Snuffy's best friend is Big Bird, whom he affectionately calls "Bird."
His favorite foods are cabbage and spaghetti, and in the fifth season premiere, he revealed that he also drinks sassafras tea. In one episode during his debut season, it is revealed that Snuffy is afraid of fruit. He dislikes apples because he fears they might fall from the tree and hit him on the head, and he dislikes bananas out of fear that he might slip on the peels.
Snuffy is a big fan of opera music, and at one point attended daily rehearsals at Metropolitan Opera House in New York City. He even performed a light-opera rendition of the alphabet with Judy Collins. In one episode, Snuffy tap danced with Maurice and Gregory Hines, known as the Hines Brothers (who were appearing in the Broadway musical Eubie! at the time).