Aman (which means "to nourish"), formerly and still known as Amaniel ("nourishment of God") is a Fallen Angel turned demon that joined Lucifer's rebellion against God. After falling, he became a high-ranking demon that mostly serves either Astaroth or Asmodeus.
Aman is one of the thirty-two Servitors of Astarot as well as one of the fifty-three Servitors of Ashtaroth and Asmodeus. Aman was one of the demons who possessed Sister Jeanne des Anges. Aman was among the first of the demons whom she managed to expel.
As a extra pillar, Aman currently rules over 8 legions of demons along with many succubi and incubi who are also under his command.