by Tyco. Invented by Ron Dubren, who was inspired by watching children tickling each other, the toy originally began as a "laughing chimp" prototype called "Tickles the Chimp" before being adapted to the Sesame Street character. Market Frenzy

That is why a child cannot stop laughing when you say "tickle tickle me." They are not laughing because they find the phrase witty; they are laughing because their brain stem has hijacked their diaphragm.

, a product from Tyco Toys based on the beloved Sesame Street character, did something no toy had quite done before: it responded to human touch with infectious, vibrating laughter. Beyond the retail chaos, the phrase "tickle tickle me" taps into a fundamental human experience—the tickle—which serves as one of our earliest forms of social bonding and physical communication. The Phenomenon of Tickle Me Elmo The success of Tickle Me Elmo

The cultural peak of this phenomenon occurred in the mid-1990s with the release of Tickle Me Elmo

“Tickle, tickle me” is a tiny, three-word universe. It contains the paradox of human play: the desire to lose control for a moment, trusting that control will be returned. It is a sound that precedes laughter, a spell that turns fingers into feathers, and a boundary marker disguised as a chant.