Grover is the excitable blue Muppet from Sesame Street, a long-running children's show where he is known for enthusiastic, clumsy attempts to help. Clips of his panicked shouting have been lifted from the show and reused online as reaction audio, detached from the original scene. This longer freakout version spread on soundboards and in meme edits because it keeps escalating, making it useful for jokes about stress, hunger and dramatic overreactions that need more than a short scream.