Much-loved children’s TV character Elmo is back on X after his account was hacked to post a slew of antisemitic and racist messages.

After the beloved character’s X account was hacked, Jon Stewart decided to have some fun with a look-alike puppet of Elmo on the “The Daily Show ” on Monday.

Elmo’s account was “compromised” by an “unknown hacker who posted disgusting messages, including anti-Semitic and racist posts,” a spokesperson for the nonprofit organization Sesame Workshop, which p...