Few words about False
The character appears close to the end of a story in order to maintain to be the hero or heroine and is, therefore, always of the same gender as the hero or heroine. The fake hero presents a number of maintain to the place. By testing, it is revealed that the claims are fake, plus the hero's factual. The false hero is usually punished, plus the true hero put in his put.
In a number of tales, the false hero appears early, and constitutes the main obstacle to the hero. These include The Goose Young woman where a portion maid takes the princess's place, and makes her a goose young woman, The White and the Black Bride where the stepmother pushes the bride into the stream plus puts her own daughter in her place, and The Lord of Lorn plus the Fake Steward, where the steward robs the youthful noble of Lorn and passes himself off as him, with the true lord portion a shepherd. In most of the tales that use this shape, the false hero is the last obstacle to the hero's happiness.
Other tales have characters get the hero or heroine's put with no claiming to be the original. This might stem from an enchantment where the hero or heroine has broken the conditions of, as in East of the Sun and West of the Moon, or since the lover has been charmed into forgetting the hero or heroine, as in The Master Maid, or merely from the belief that the true hero or brave woman is deceased or lost, as in Maid Maleen. The fake bride is sometimes an usurping servant, as in The Goose Young woman, The Sleeping Prince or The Love for Three Oranges, but overwhelmingly the substituted bride is the sister or stepsister of the true bride. Other tales including this are Brother plus Sister and The Wonderful Birch.