The name of Lucifer should be put into the section of Roman Mythology, where it belongs first and foremost. Its place in Roman Mythology is much older than its place in the Judeo-Christian Legend.As you may know, Roman mythology was strongly influenced by Greek mythology, meaning that the ancient Romans had incorporated many elements from Greek mythology into their own. Thus, some names were directly taken from Greek mythology and romanized (e.g. Hesperos became Vesper), others were simply translated into legitimate Latin. The name Lucifer is an example of that; it is a direct translation of Greek Phosphoros. Phosphoros was a name that was sometimes used for Eosphoros, the son of the Greek goddess Eos; Eosphoros was the Greek personification of the morning star. So, in short, Lucifer is another example of incorporation of Greek elements into Roman mythology.