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Richard Simmons, the energetic exercise icon behind theSweatin to the Oldiesworkout tapes, has died at 76.

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A representative for Simmons confirmed the news toABC.

Foul play is reportedly still not suspected.

He eventually developed an interest in fitness and weight loss.

After moving to Los Angeles, he opened a gym in Beverly Hills called Slimmons.

In 1980, he released the first of twelve books,Never Say Diet.

But it was hisSweatin to the Oldiesseries of aerobic workout tapes that brought him to another level of fame.

In a 2008 CW11interview, Simmons reflected on the enduring appeal of these at-home workouts.

The people in the videos are real people, theyre not like Q-tips in Spandex.

These are people of all different shapes and sizes, he said.

Theyre safe, theyre fun, and you get caught in the music.

Once a regular guest on late-night talk shows, Simmons stepped away from public life about a decade ago.

But it ultimately appeared that Simmons just wanted a quiet retirement.

Still, thanks to Pauly Shore, he found himself back in headlines this year.

Simmons hasdenouncedan upcoming movie about his life that Shore is said to be playing him in.

I just read that a man that I dont know is writing my biopic starring Pauly Shore.

I do not approve this movie, Simmonstweetedin April.

I am in talks with major studios to create my own biopic with some help.

Wait for this movie.

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