Demons who are Known to Possess:

Ansitif – A little known demon, who, during the possession of the nuns of Louviers, in 1643, occupied the body of Sister Barbara of St. Michael.

Arphaxat – The demon who possessed Loise de Pinterville during the possession of the nuns at Loudun.Asmodeus,

Asmoday – (Hebrew) God of lust. A demon most commonly involved in possession cases was among many devils, including Beelzebub, Astaroth, who took possession of Sister Madeleine of Demandolx of the Ursuline convent at Aix-en-Provence in the early seventeenth century.

Balt – The Demon who possessed Nicole Aubrey of Loan in 1566.Baltazo – One of the demons who possessed a young woman of Laon, Nicole Aubry, in 1566.

Baalberith – Demon of the second order. Chief Secretary and Archivist of Hell, master of the Infernal Alliance. He is depicted as a pontiff seated among princes of the infernal regions. Originally he was the Phoenician (Canaanite) god of covenants. He was one of the demons who possessed an Ursuline nun at Aix-en-Provence in 1610.

Biff – The demon who allegedly possessed Denise de la Caille.

Bonifarce – One of the two demons said to have been successfully exorcised from Elisabeth Allier in 1639 by Francois Faconnet. The two demons who had possessed her for twenty years admitted that they had entered her body by means of a crust of bread which they had put into her mouth when she was seven. They fled from her body in the presence of the Holy Sacrament. The other demon’s name was Orgeuil.

Incubus – In medieval European folklore, the incubus is a male demon (or evil spirit) who visits women in their sleep to lie with them in ghostly sexual intercourse. The woman who falls victim to an incubus will not awaken, although may experience it in a dream. Should she get pregnant the child will grow inside her as any normal child, except that it will possess supernatural capabilities. Usually, the child grows into a person of evil intent or a powerful wizard. Legend has it that the magician Merlin was the result of the union of an incubus and a nun. A succubus is the female variety, and she concentrates herself on men. According to one legend, the incubus and the succubus were fallen, angels. The word incubus is Latin for “nightmare”. These demons associated with an individual witch or sorcerer are known as familiars. In demonology, a leviathan is every aquatic demon. They are great liars. Leviathans can also possess persons, being very difficult to exorcise; they try to possess every person, but especially women

Orthon – A demon of unknown origin who is said to have ties with possessions in France and with the Satanic-Masonic cult of Palladinism in 19th century Italy.

Paigoels – The devils of Hindustan. Some of the Hindus believe that the Paigoels created the devils; others that they were put out of heaven because of their great sin and in all of the worlds that the earth is the only one they are allowed intercourse. Some of these devils have individual names and are the tempters of men to special sins, others again enter into the bodies of men and take possession of them. The Hindus also believe that the souls of wicked men go to join the number of the paigoels.

Utukku – In Akkadian mythology the utukku were a type of spirits or demons that could be either benevolent or evil. The evil utukku could possess people if they did not take into account certain taboos, like not to eat ox meat.

Zabulon – Name of a demon said to have possessed a lay sister of Loudon, France in 1633.

I hope that this was informative and helpful. If so, tell me in the comments below.