Uncle Fred, or to give him his full title of Frederick Altamont Cornwallis Twistleton, fifth Earl of Ickenham, is considered by some as a splendid gentleman—a sportsman to his fingertips. Mr. Twistleton, nephew to the Earl, and otherwise known as Pongo to his friends, has a differing view. He simply describes his uncle as being loopy to the tonsils. But when the eccentric and well-loved Uncle Fred plays Cupid to Lord Emsworth, his old friend at Blandings Castle, little did he know that he would be known as Impostor A and the Lord's beloved pig, the Empress, as Impostor B.
