It’s Elmo‘s world ... towel roll in the world, fans started to bring another storyline into the limelight: Elmo’s apparent feud with Rocco, his muppet pal Zoey’s pet rock.

A literal rock, confusingly named "Rocco." On Monday, Elmo became the topic of many tweets after a clip of him yelling about Rocco, a pet rock belonging to his “Sesame Street” friend Zoe ...

Polygon reports that Rocco was first introduced on “Sesame Street” in a 1999 episode called “Zoe’s Pet Rock, Rocco” and Elmo “has not known peace since.” Fans of “Sesame Street ...

She's technically Elmo's second pet — he has been caring for goldfish Dorothy for several years.“He’s done quite well taking care of his goldfish,” said Wilson Stallings. “We thought he ...