Elmo loves mail! Mail carriers help their communities by sending and delivering mail. Elmo and other lovable Muppets celebrate mail carriers. About the Sesame Street ® Loves Community Helpers series: Community helpers are everywhere! Celebrate the people who make our communities safe and healthy with these beginner introductions. Big Bird, Bert, Ernie, and others explore this core curriculum with the signature charm and fun of the Muppets from Sesame Street.