Large and overweight alligator, which is taller than a grown man with olive-green scales, dark green spines, and yellowish-green underbelly scales that stretch from his muzzle to his tail tip. Here we talk about Louis, the main character in Disney's 2009 cartoon The Princess and the Frog. He is a trumpet-playing alligator with dreams of becoming a human jazz musician. Disney Cartoons cursor with Princess and Frog Louis and Trumpet.