Mouse Rat changed names so many times but they finally kept this one. Are you a true fan of the band? Well, all true fans own the merchandise based on the band. Get your hands on an officially licensed Mouse Rat shirt today. Simply watch this video to learn just how to do it. Here is what to expect from our store- Officially Licensed Printed in USA Exclusive Designs You can also treat ya self to our store of Parks and Recreation shirts. Never forget Mouse Rat or Parks and Recreation by getting some awesome shirts based on the show.