Johnny Manziel appears in Snickers commercial

Cleveland Browns quarterback Johnny Manziel takes the field during a preseason game against the Washington Redskins at FedExField on Aug. 18, 2014 in Landover, Md.

CLEVELAND -- Wearing spandex leggings, a headband and working out a class of exercising women as if he were Richard Simmons. No, we've ever seen Johnny Football like this.

He's Johnny JamBoogie.

Browns rookie quarterback Johnny Manziel channels his inner aerobics instructor in a new TV commercial for Snickers, one of the products he endorses. In the 30-second spot set to debut Thursday night, Manziel is teaching the class when a Cleveland player tells him he's not acting like himself.

Once he bites into the candy bar, he's back to being Manziel, wearing his No. 2 jersey.

Manziel said it was a "thrill" to star in the commercial and hopes "people have as much fun watching the ad as we did filming it."

Although the 21-year-old is Cleveland's backup, he's already one of the league's most popular players.

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