The devil is a creature, which throughout most of history, has been deeply rooted in the folklore and belief systems of much of the Western world. It is commonly seen as the adversarial type, one which is the antithesis of morality. It often represents the desire for power, wealth, and the pleasures of the material world, which many spiritual leaders hypocritically say is a horrid sin. But, what is the history behind the devil we know today? Where did this imagery come from, and has it always been around?