Gilbert and Sullivan and institutions more freely by clothing them in superficial Japanese trappings. Gilbert wrote, "The Mikado of the opera was an imaginary monarch of a remote period and cannot by any exercise of ingenuity be taken to be a slap on an existing institution." G. K. Chesterton compared it to Jonathan Swift's "Gulliver's Travels": "Gilbert pursued and persecuted the evils of modern England till they had literally not a leg to stand on, exactly as Swift did... I doubt if there is a single joke in the whole play that fits the Japanese. But all the jokes in the play fit
Robert the Devil (Gilbert) later be a defining part of his work. These led to Gilbert's more mature "fairy comedies", such as "The Palace of Truth" (1870) and "Pygmalion and Galatea" (1871), which in turn led to the famous Gilbert and Sullivan operas. Although Gilbert gave up direct parodies of opera soon after "Robert", his parodic pokes at grand opera continued to be seen in the Savoy operas. The title character, a breeches role, was played as an insouciant "swell" by Nellie Farren, who became famous as the theatre's "principal boy". Gilbert later renounced "travesti" roles and revealing dresses on his actresses, and made