1.
This is Engel, the original guy who comes to save Goran from his prison. He's a kitsune, a mischievous fox spirit.
2.
Goran. Half-devil, half-angel and imprisoned on Earth. Thinks he is evil because he is locked up.
3.
Here's the reincarnation of Engel. I have no name for him yet...But he's human and doesn't understand why he feels a compulsion to save Goran, only that he must find him and set him free.
