This is a list of characters that are featured in the PBS Kids television show Arthur. The show is based on the book series by Marc Brown. Arthur, the title character, is the main character of the series. The main supporting characters are D.W., Buster, Francine, Muffy, Binky, the Brain, Mr. Ratburn, and Arthur's parents. Over the years, the roles of each character have changed as more episodes focused on characters besides Arthur or D.W., most notably Buster, Francine, Muffy, Binky, and the Brain. Minor supporting characters such as Sue Ellen, George, and Fern have also had expanded roles in the series.
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