On Sesame Street, Elmo doesn't usually lose his cool, but one thing that pushed him over the edge was Zoe’s imaginary friend Rocco the Rock. Zoe always puts the rock's needs ahead of Elmo's, and Elmo began to hate the pet rock.

Elmo is one of the most popular Sesame Street characters of all time, and everyone will instantly know you are a fan when you wear this Elmo He's A Rock Sesame Street T-Shirt!