Prompt: Create an engaging artwork of an otter racing on a kart within the vibrant Mario Kart universe. The perspective should be from a third-person view, focusing on the back of the otter as they speed down the colorful, winding track. The otter's expression should capture the excitement and determination of the race. The kart should be a whimsical creation, in line with the Mario Kart aesthetic, featuring unique design elements and elements of the Mushroom Kingdom. The background should depict a dynamic and thrilling race environment, complete with power-ups, obstacles, and other Mario Kart-themed details. This artwork should encapsulate the fast-paced, fun, and iconic nature of the Mario Kart games, reimagined with the charm of an otter as the racer.