Who is Bertha?

Bertha is a character in the story within the story, told by the bachelor. She is a "horribly good girl" who received three medals for her goodness. When the prince of the town hears of Bertha's excellent behavior he decides to reward her. He allows her to take a walk in his gardens, where normally children are not permitted. Bertha enjoys her reward until a wolf comes into the park to fetch himself some dinner. Bertha hides behind a myrtle bush and almost manages to escape, however, the clicking of her medals against each other gives her away and the wolf eats her at once. Bertha is a stereotypical good girl, but she is the only character that undergoes development throughout the story. When she is hiding behind the bushes she thinks to herself that if she hadn't been so good, she would have been safe in the city.