Lucifer in the bible is the angel that God created, the son of the morning, that wanted to be exalted to place of God that God cast out of heaven with great force.
He is known today as the Devil or Satan.
It was he, the Devil that used the serpent to deceive, Eve.
Scriptures About Lucifer
Luke 10:19-20 And He said to them, “I saw Satan fall like lightning from heaven.
19 Behold, I give you the authority to trample on serpents and scorpions, and over all the power of the enemy, and nothing shall by any means hurt you.
20 Nevertheless do not rejoice in this, that the spirits are subject to you, but [a]rather rejoice because your names are written in heaven.”