Huey, Dewey, and Louie are fictional characters from the Disney universe, known as the mischievous nephews of Donald Duck. They first appeared in the comic strip in 1937 and have since been featured in various animated series and films. Each nephew has a distinct personality, with Huey often being the leader, Dewey being adventurous, and Louie being laid-back. The trio is typically depicted wearing different colored outfits: Huey in red, Dewey in blue, and Louie in green. They often accompany their uncle Donald on various adventures, showcasing their cleverness and teamwork. Their character dynamics contribute to the humor and charm of the stories they are part of.