Dwiergus

Dwiergus the Demon Lord of Shape Shift, He hath made his mark onto the beast after wards he has given every demon of Lucifer an ability to do mysterious things, making all the Demons of hell invisible during day, dawn nor night, he one day overcomed the Walking Plague sealing him from his grace and innocent he was given a mysterious ability as well, he was given the ability to change his gender to male to female, as his plagues were confused of the Walking Plague, Dwiergus plans finally came to success and according to Lucifer he was to live eternally with him and his son Armageddon Son of Satan.

Realm
He lived in front of the tower of Darkness, in the middle of the Desert of Dawn he was there changing all these mysterious beast into like humans.