Michael (Supernatural)

Michael is an archangel of God, and the main antagonist in season 5 of Supernatural along with his brother Lucifer.

Background
Certainly Michael was the first creation God, of the four archangels created by him which are the Raphael, Gabriel and Lucifer, and the first general angel, even before the existence of Earth. Once upon a time, Michael and God and the other archangels waged a war against Darkness, which God deceived and locked in order to create his creations, because Darkness destroyed everything he created. While the Darkness was in jail, Michael took care of Lucifer personally while in Heaven, and they got along and were happy. After God began creation and locked the Leviathans in the monster world. God told all angels to bow to humans, yet Lucifer questioned his order by saying that were broken, flawed abortiond .Lucifer later sought out Michael and tried to convince him to join him, but as Michael was obedient to God, he refused to listen to him, so on God' s orders, Lucifer was expelled from Heaven. And when Lucifer under an act of revenge began to corrupt humans and create demons, God then arrested him in the cage.

For some reason God left Heaven's command and let Michael lead, and when the demons were breaking the seal to start the apocalipse, Michael let them do it, Rafael and Zachariah wanted the apocalypse to happen so that Lucifer could fight. Since Michael hoped to be the victorious in this match to bring Heaven on Earth.

The Song Remains the Same
During the fight against angels Anna Milton and Uriel, Michael appears to John and asks him if he wants to save his wife he says yes, Michael then immediately kills Anna by burning her and when Uriel says he didn't know that and apologizes, Michael telepoting back to Heaven, Mary anxiously asks him who the archangel is. Michael says that John is well before tipping her off and erasing his cheers from her and John afterwards. Michael then soon turns to Dean commeting on his long-awaited convensation, while Dean realizes who Michael is and that he heals Sam. Michael before teleporting Dean to the present, he says that even though Lucifer had done what he did he didn't want to do it anymore than he will do it.

Swan Song
Once you get Adam Milligan to release his vessel, he can fight Lucifer and the apocalypse happens. He soon meets with Lucifer who is now in Sam's body as his vessel. They greet each other before fighting, Lucifer tries to convince Michael that they should not fight and that God wants them to fight more. However Michael refuses to listen to him and when both prepare to fight, Dean then appears and stops the fight, and when Michael furious Michael sending him out, Lucifer furious that Castiel did it, kills him exploding, Lucifer gets mad at Dean attacks him, Bobby tries to stop shooting him, but how it worked, Lucifer twists the Bobby's neck almost killing him, Lucifer beats him leaving Dean's face swollen, however Sam regains control of his body and lauches the rings of the Apocalypse to bring the cage, Michael appears and deseperate tries to demand that Sam give control of Lucifer, Sam throws himself in the cage manking Michael falling in the cage with him and Lucifer together.

Personality
Michael was a strict, fanatical leader who was totally loyal to God his father. His loyalty was such that even though he did not want to kill Lucifer in the battle of armageddon, he chose to do so. And unlike his evil counterpart in the apocalyptic universe, Michael really loved his brother Lucifer. And then when he fell into the cage, he lost his insanity and kept singing show songs and playing.

Trivia

 * Unlike Michael from the altenative universe, who killed Lucifer for pleasure, this Michael wasn't entirely evil, since he had saved both Mary and John from Anna Milton in the past before erasing their memory.