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.

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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.

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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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