The main characters of the series, who appear in almost every episode, are Scrooge McDuck and his grandnephews Huey, Dewey and Louie. The series also features a mix of established characters carried over from the comics, as well as new ones created for the show. Scrooge's household also consists of his butler, Duckworth; Mrs. Beakley, a nanny hired to look after Huey, Dewey and Louie; and Webby Vanderquack, the granddaughter of Mrs. Beakley.