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.

On Wednesday January 5, Elmo took to Twitter to assure "Sesame Street" fans that he and Zoe were still the best of friends after a clip of him exchanging some heated words with Zoe after she ...

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.

Elmo is not fond of Zoe's friend. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The days are not always sunny on Sesame Street, but it ...

Shared by Twitter user @Wumbooty, the clip shows Elmo expressing his frustration with a gray stone named Rocco, Zoe’s pet rock that was introduced to the series in the late 1990s.

A 2004 “Sesame Street” video involving Elmo and Zoe has gone viral, and now Elmo has responded. Twitter screenshot The internet is up in arms over Elmo having to share a cookie with a pet rock ...

"Rocco says that he wants the oatmeal raisin cookie," Zoe, another muppet on the show, tells Elmo in a clip from 2004. Rocco, readers, is Zoe's pet rock. "How?" Elmo continues moments later.

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.