Rizzo the Rat is a Muppet character, created and performed by Steve Whitmire. He is a fictional rat who appeared on The Muppet Show and numerous films, with a starring role in the 1992 film The Muppet Christmas Carol.
Recently radio broadcasts in the city have been reduced to static, leaving a popular radio serial as the only remaining show on the air. Even then the show finds itself continuously interrupted by a mysterious broadcast. A lone distorted voice reaching out for help. Follow Walter “Troubles” Mix and his partner Whitney as they search for a missing writer and navigate through a city quickly falling into madness. Could the mysterious voice be the culprit? Will anyone be able to stop the madness from spreading? And… What’s The Frequency?