Who is Lucifer the Fallen Angel?:
There is so much misinformation about the symbol of Lucifer and as usual it's all by design (Omnes viae Romam ducunt).
Lucifer is a symbol, Jesus is a symbol, they were not literal people, they are symbols which identify certain characteristics in a soul. There are divine souls ie: the 288 Christed, led by the Christ who holds the divine portion to the highest degree and then each subsequent divine soul from the Christ holds it to a lesser degree.
Then there are the mortal souls (the majority of humanity) who must do the work to attain their immortality for they are the descendants (Iron/Clay man) of the divine (Gold/Silver/Bronze man). The Christ is known by many other names depending on the culture, ie: Thor, Horus, Krisha, Shiva even in the Bible he is also known as Daniel, David, Adam, John, Solomon.
So who is Lucifer? Those who have done their due diligence now understand that we exist in a Great Year cycle of 26000 years, in the higher Ages the divine souls differ in appearance so they are known but as the we descend through the Ages and the Christ Light wanes our material world becomes more dense and we forget ourselves, and that includes the Christed too.
In the lower Ages when Christ and the divine no longer know themselves or their responsibility to God their Father they succumb to their fallen state. Hence Jesus is now Lucifer, he is no longer a divine man of wisdom and virtue, in the Lower Ages he appears the same as any other mortal man, therein lies his tests and he will also be used as God's anvil to test others.