Muppet Star: Elmo, a red puppet, became a Sesame Street icon.

Evolution: Elmo started as a supporting character, gaining popularity later.

"We Are Monsters": Elmo's debut in a 1980 Sesame Street song.

Educational Mission: Sesame Street aims to educate with a curriculum.

Talk Show Circuit: Elmo featured on Rosie O’Donnell and more.

Film Star: Elmo starred in "The Adventures of Elmo in Grouchland."

Musical Fantasy: Elmo's 60-minute film, "Elmo Saves Christmas."