 Beyond this, there is no further business partnership between the two.In the "Rocko's Modern Life" episode "No Pain, No Gain," Simmons lent his voice to an exercise trainer bearing his animated likeness, leading a class filled with large anthropomorphic animals.From 2006 to 2008, he hosted a radio show on Sirius Stars (Sirius Satellite Radio channel 102) titled "Lighten Up with Richard Simmons".