Stuart Little is the titular protagonist of the franchise of the same name. He is Mr. and Mrs. Little's son (biological in the novel, adoptive son in the film), George's little brother, Martha's big brother and Snowbell's friend and "master". In the first film, George Little saved him from the villainous Snowbell and he saved Snowbell from the villainous Smokey. In the second film, he saved Margalo from the Falcon. In the third film, he saved Reeko from the Beast.