Demons

The princes of Hell:
Lucifer - Pride
Mammon - Avarice
Asmodeus - Lust
Satan - Anger
Beelzebub - Gluttony
Leviathan - Envy
Belphegor - Vanity and Sloth

Ars Goetia
King Baal - also Bael.
Duke Agares - also Agreas.
Prince Vassago.
Marquis Samigina - also Gamygin, Gamigm.
President Barbas - also Marbas.
Duke Valefor - Malaphar, Malephar, Valafar.
Marquis Amon.
Duke Barbatos.
King Paimon - also Paimonia, Paymon.
President Buer.
Duke Gusion - also Gusoin, Gusoyn.
Prince Sitri - also Bitru, Sytry.
King Beleth - also Bilet, Bileth, Byleth.
Marquis Leraje - also Leraie, Leraikha, Leraye, Loray, Oray.
Duke Eligos - also Abigor or Eligor.
Duke Zepar.
Count/President Botis.
Duke Bathin.
Duke Sallos - also Sallos and Zaleos.
King Purson - also Curson, Pursan.
Count/President Marax - also Foraii, Marax, Farax.
Count/Prince Ipos - also Aiperos, Ayperos, Ayporos, Ipes.
Duke Aim - also Aym or Haborym.
Marquis Naberius - also Cerberus,Cerbere, Naberus, Nebiros.
Count/President Glasya-Labolas - also Caacrinolaas, Caassimolar, Classyalabolas, Glassia-labolis, Glasya Labolas, Gaylos-Lobos.
Duke Buné
Marquis/Count Ronové - also Roneve, Ronové, Ronwe.
Duke Berith
Duke Astaroth
Marquis Forneus
President Foras - also Forcas or Forrasis.
King Asmodeus - also Ashmodai, Asmodeus, Asmody, Asmoday.
Prince/President Gäap - also Goap, Tap.
Count Furfur - also Furtur.
Marquis Marchosias - also Marchocias.
Prince Stolas
Marquis Phenex - also Pheynix, Phoenix, Phoeniex.
Count Halphas - also Malthus, Malthas, or Malthous.
President Malphas
Count Räum - also Raim, Raym.
Duke Focalor - also Forcalor or Furcalor.
Duke Vepar - also Separ, Vephar.
Marquis Sabnock - also Sab Nac, Sabnac, Sabnach, Sabnack, Sabnacke, Salmac and Savnock.
Marquis Shax - also Chax, Shan, Shass, Shaz, and Scox.
King/Count Viné - also Viné, Vinea.
Count Bifrons - also Bifrovs, Bifröus.
Duke Vual - also Uvall, Voval, Vreal, Wal, Wall.
President Häagenti - also Haage, Hage.
Duke Crocell - also Crokel or Procell.
Knight Furcas - also Forcas.
King Balam - also Balaam, Balan.
Duke Alloces.
President Caim.
Duke/Count Murmur - also Murmus, Murmuur, Murmux.
Prince Orobas.
Duke Gremory - also Gamory, Gemory, or Gomory.
President Ose - also Osé, Oze, Oso, Voso.
President Amy - also Avnas.
Marquis Orias - also Oriax.
Duke Vapula - also Naphula.
King/President Zagan - also Zagam.
President Valac - also Ualac, Valak, Valax, Valu, Valic, Volac.
Marquis Andras.
Duke Flauros - also Flavros, Hauras, Haures, Havres.
Marquis Andrealphus - also Androalphus.
Marquis Cimeies - also Cimeies, Cimejes and Cimeries.
King Amdusias - also Amduscias, Amdukias or Ambduscias.
King Belial.
Marquis Decarabia - also Decarbia, Carabia.
Prince Seere - also Seire, Seere, or 'Sear.
Duke Dantalion - also Dantalian.
Count Andromalius.