Madame Thénardier is the female secondary antagonist in the novel Les Misérables by Victor Hugo. She is the wife of Monsieur Thénardier. She mistreats Cosette until Jean Valjean takes her away. In the movie and musical, she is seen again at Marius and Cosette's wedding stealing silverware (this does not happen in the book, where she is arrested, eventually dying in prison after her family is incarcerated). In the book Madame Thénardier is ugly, tall, fat and huge woman, about 30 years old…