The Origin, Pride and Downfall of Satan. Reading Ezekiel 28 #140 Is Ezekiel 28 about Satan?

Strange and fascinating topic today: Why did Satan rebel, and what was his role before he turned against God? What made him fall and be expelled from God's Heaven? Does Ezekiel 28 gives us the deepest clues in the Bible about the origin and motivations of the Devil, the enemy of God?