Lucifer is the name we use for the devil. The name is rendering of a Hebrew word in Isaiah (Isaiah 14:12) given in the King James Version of the Bible.
In classical mythology, Lucifer means light-bringer in Latin, and was name of the planet Venus. It was often personified as a male figure bearing a torch. The Greek name for the planet was Phosphoros, which also means light-bringer. In poetry, Lucifer was presented as heralding the dawn.
Nowadays, we sometimes use the name Lucifer as the Satan. With that in mind, this documentary takes a look at Lucifer as a devil, and all the aspects of his figure and name.