A captivating cartoon illustration of a rebellious humanoid rat rockstar, clad in a leather jacket, bandana, and sunglasses, riding a Harley Davidson-style motorcycle. The rat exudes an edgy aura as he speeds away from the pursuing police, with the wind blowing through his fur. The background is a blurred, vibrant array of colors, emphasizing the fast-paced action. The text "It's Fun Being The Bad Guy" is displayed prominently in a bold, rebellious font, seamlessly integrated into the scene. The design is dynamic and vivid, perfect for a t-shirt or merchandise., vibrant, typography, illustration