Elmo is a red Muppet character on the children's television show Sesame Street. A furry red monster who speaks in a high-pitched falsetto voice and frequently refers to himself in the third person, he hosts the last full five-minute segment on Sesame Street, "Elmo's World", which is aimed at toddlers. He was most often puppeteered by Kevin Clash, but since Clash's resignation in late 2012, Elmo has been puppeteered by Ryan Dillon.

Sesame Street is an American educational children's television series that combines live-action, sketch comedy, animation and puppetry. It is produced by Sesame Workshop and was created by Joan Ganz Cooney and Lloyd Morrisett. It is known for its images communicated through the use of Jim Henson's Muppets, and includes short films, with humor and cultural references. It premiered on November 10, 1969, to positive reviews, some controversy, and high viewership. It has aired on the United States national public television provider PBS since its debut, with its first run moving to premium channel HBO on January 16, 2016, then its sister streaming service Max in 2020.