Elmo spoke out after a 2004 “Sesame Street” video of him losing his cool over co-star Zoe’s pet rock, Rocco, went viral online.

"Sesame Street's" beloved muppet character Elmo has finally addressed his long standing feud with Zoe's pet rock Rocco. On Wednesday January 5, Elmo took to Twitter to assure "Sesame Street" fans ...

Elmo’s hilarious beef with Rocco, a pet rock of Zoe’s in "Sesame Street," is going viral online. Elmo and Rocco's feud has gone on since 1999.

Since Elmo is a Muppet of logic, Elmo explains to Zoe that “Rocco is a rock” and “won’t know the difference.” Zoe is still looking out for her pet rock, but that’s not enough for Elmo.

Elmo then snapped back, "Well, Elmo isn't getting any younger, and neither is this bit!" 6. Last but not least, that time when Elmo was DONE with Zoe on their play date.

Elmo is setting the record straight after a "Sesame Street" clip went viral showing him fighting with co-star Zoe over cookies.

Elmo spoke out after a 2004 “Sesame Street” video of him losing his cool over co-star Zoe’s pet rock, Rocco, went viral online.