Elmo is the red, childlike monster from Sesame Street, the long running children's series that began in 1969, known for his falsetto voice and Elmo's World segments. Clips of familiar characters screaming have become a staple scream meme format online because the sound clashes with their friendly image. This version spread through short video edits, reaction posts and soundboards, where a brief, recognizable shriek works without any visual context. It remains popular because Elmo is instantly identifiable and the scream reads clearly as comic panic.