This discusses the duality of the characters in "Crime and Punishment."

To be human is to be full of contradictions. In the novel Crime and Punishment by Fyodor Dostoevsky, the relationship between a young man that commits a murder and his friends and family is explored. The characters that Dostoevsky creates are filled with beautiful contradictions that make them all the more human.
The main character, Raskolnikov, is Dostoevsky's focus for his exploration of duality in character. "Raskol" in Russian means "schism" or "split." This name gives an inside view to Raskolnikov. He is torn between a conscience that urges him to do good and a cruelly rational side…