Create an image of a crewneck sweatshirt without a hood and without pockets

Create an image of a crewneck sweatshirt without a hood and without pockets. The sweatshirt should feature an animated theme inspired by the series "Bluey." The design should include vibrant, playful colors, and showcase the main characters in action or interacting with each other. The background of the design could include elements like the outdoors, parks, or houses, reflecting the cheerful and fun atmosphere of the show.