Jean Valjean is the protagonist of Victor Hugo's 1862 novel 'Les Misérables'. Hugo depicts the character's 19-year-long struggle to lead a normal life after serving a prison sentence for stealing bread to feed his sister's children during a time of economic depression and various attempts to escape from prison. Valjean is also known in the novel as Monsieur Madeleine, Ultime Fauchelevent, Monsieur Leblanc, and Urbain Fabre.

Valjean and Police Inspector Javert, who repeatedly encounters Valjean and attempts to return him to prison, have become archetypes in literary culture. In the popular imagination, the character of Jean Valjean came to represent both Hugo himself and leftist sentiment. In 1871, when Hugo was living in Brussels during the radical revolt known as the Paris Commune, anti-revolutionary mobs attacked his house and broke windows shouting "Down with Jean Valjean!"

More Info: en.wikipedia.org