Milton Teagle Simmons, known professionally as Richard Simmons, is an American fitness personality who promotes weight-loss programs, most famously through his Sweatin' to the Oldies line of aerobics videos and DVDs and is known for his eccentric, outgoing personality. Simmons began his career opening a gym (Slimmons in Beverly Hills, CA) catering to the overweight, and he became widely known through exposure on television and through the popularity of his consumer products.