The name Satan literally means "the accuser." He appears in the book of Job as accusing Job of worshiping God for purely selfish reasons. He is commonly known as Lucifer, the name he presumably had in heaven, but has been given other names such as "The Prince of Darkness," the "Deceiver," the "Prince of this World," among others. In all instances, he is considered the Devil, the adversary of God.
The story of Satan as a fallen angel is partially based on verses from the Old Testament, but is more fully derived from John Milton's Paradise Lost. Milton based his writing on verses from the prophet Isaiah:
How art thou fallen from heaven, O Lucifer, son of the morning! how art thou cut down to the ground, which didst weaken the nations! For thou hast said in thine heart, I will ascend into heaven, I will exalt my throne above the stars of God: I will sit also upon the mount of the congregation, in the sides of the north: I will ascend above the heights of the clouds; I will be like the most High.
Milton portrays Satan as a fallen angel who, having led a revolt in heaven to overthrow God, was thrown with those who assisted him into hell:
Th' infernal Serpent; he it was, whose guile
Stird up with Envy and Revenge, deceiv'd
The Mother of Mankinde, what time his Pride
Had cast him out from Heav'n, with all his Host
Of Rebel Angels, by whose aid aspiring
To set himself in Glory above his Peers,
He trusted to have equal'd the most High,
If he oppos'd; and with ambitious aim
Against the Throne and Monarchy of God
Rais'd impious War in Heav'n and Battel proud
With vain attempt. Him the Almighty Power
Hurld headlong flaming from th' Ethereal Skie
With hideous ruine and combustion down
To bottomless perdition, there to dwell
In Adamantine Chains and penal Fire,
Who durst defie th' Omnipotent to Arms.
The story of Satan's rebellion and subsequent exile is poetic and fascinating, but not Biblical. The verses from Isaiah quoted above do not identify Lucifer as Satan, although the common assumption is that they are one and the same.
Satan was kicked out of Heaven because of his pride. Ezekiel 28:17 says, "Your heart was lifted up because of your beauty; You corrupted your wisdom for the sake of your splendor." Ezekiel 28:6 says, "you have set your heart as the heart of a god." He, along with a third of the angels were thrown out of Heaven. Read Isaiah 14:12-14. In these passages of scriptures you'll find satan's name in Heaven was Lucifer. These passages also tell you more about satan's pride and how he wanted to exalt himself above God.
I believe the Biblical Satan, to the Sumerians, was a God named E.A., meaning "He Whose Home is Water" (Greek Poseidon). He was a prince, firstborn of a concubine to the King of "Heaven", ANU. His brother EN.LIL.(Zeus) was also a prince and next in command to the King because he was born of a half-sister of ANU (succession rules). When E.A. came to Earth with the other Gods, his name was changed to EN.KI., which meant "Lord of Earth" (this is why in the Bible, Satan is referred to as "the god of Earth" in 2Corinthians 4:4). His brother EN.LIL. was called "Lord of the Command", meaning that Earth would belong to EN.KI. (just like the Earth is the "devil's playground") but his brother EN.LIL. would be the ruler due to the Gods' succession rules. This is why the Bible refers to Satan as God's "most beautiful angel", but in Ezekiel 28:6 it says "you have set your heart as the heart of a god". EN.KI. tried to rise above EN.LIL. in the ranks of Gods on Earth, and EN.LIL. from then on called his brother "the deceiver" and made him out to be the incarnate of evil, so that people on Earth would not hold his rival supreme over himself. That is why God from the Bible is a "jealous God" and he tells the Israelites that "you shall have no other gods before Me". There was not a single God who came to Earth, but a whole race. The stories we read from Genesis existed thousands of years before the Bible in Ancient Mesopotamia. The stories are exactly the same, the only difference is that they attributed the events to Gods, not a single God. When the Bible was compiled, the stories were glossed over to accomodate a single God. Remnants of the Bible's original content still remain. In Genesis, it says "Let US make man in OUR image, after OUR likeness." This is a plural statement! Christians believe it is referring to the Holy Trinity, but the concept of the Holy Trinity was invented by a Pope in the fourteen hundreds! When Moses was visited by his father-in-law, Jethro, Moses tells him all that his God had done to bring them out of Egypt, and Jethro says "Now I know that your God is greater than all the gods." God (EN.LIL.) performed miracles to the Israelites so that they would call him "their God" instead of his rival EN.KI. and Enki's son Marduk (Ra) who ruled in Egypt and were surely worshipped by the Israelites before the Exodus.
The name of the God who is called Satan in the Bible (or any of those other defaming epithets), I would refer to as Enki, Lord of Earth.
The one big thing about Satan also is the fact that he wanted to be better than Christ- God's only begotten son (John 3:16), and a piece of the Holy Trinity because it is written "Jesus is called Immanuel, which means "God with us"Matthew 1:23 and Isaiah 7:14. Yet everyone who carries a little sense about them knows that the "created" will not and can never become greater than its creator-in this case, Satan challenged the authority and supremacy of God, therefore God banished him, it is mentioned a lot in the new as well as old testaments, you should read these scriptures:Ezekiel 28:13 brings it up as does Luke 10:18. “And he said unto them, I beheld Satan as lightning fall from heaven.” sorry, in a hurry i didn't write down the verse for Ezekiel 28:13.just look it up real quick, it won't take long.
God's angels, like Man were given free will. However,unlike man, for the angels it was a "one time offer." Satan chose not to follow God and challenged Him. Those angels who chose to follow God, lead by Archangel Michael fought the angels who decided to follow Lucifer, Satan's name in Heaven. Upon being defeated by God's faithful angels Satan and his minions were relegated to Hell.
Satan was one of the demons who lived in heaven. When Allah created Adam, he ordered all the angles to bow after him. All the angels bowed after him except satan, who did not bowed due to his ego and pride. Allah asked him the reason for not bowing. He proudly replied that Allah has made him with fire, while Adam was made with mud. Fire is superior to mud, so he is superior to Adam. God exiled him from the heavens.
His actual name was Iblees which was changed to Satan.
Satan was one of the most pious and praying demons. Because of his piousness, he was also concidered as an angel. When Allah created Adam he ordered all the angels and demons to Bow before him. But due to his pride, he refused due to do so. He belived that he was superior to adam, as he himself was made of fire while Adam was made of mud. Therefore he was thrown out of the heaven. his name was Iblees which was later changed to Shetaan(Satan). this whole event has been explained in the Holy Quran, in Surah Bakara.