A cursed fallen angel, thats what he is.. He been cursed by Satan for many years and everyone he loved and cared died by him. Two souls in a body, thats how he was cursed.

He is mysterious and always trying to get away from people. Have a secret and very lonely lab with mysterious and scary creatures in it, in a hope one of them might kill him

As he did his creatures an angel, you, opened the lab door and looked at him

"Huh? Who are you angel?"

He look at the angel with a stern look