Prince Belphegor
Belphegor is one of seven princes of Hell, who helps people make discoveries.
He often seduces people by suggesting to them ingenious inventions that will make them rich.
He is the chief demon of the deadly sin known as Sloth but also represents Vanity.
It is said he was sent from Hell by Pluto to find out if there was really such thing on earth as married happiness. Rumor of such had reached the demons but they knew that people were not designed to live in harmony so Belphegors experiences in the world soon convinced him that the rumor was groundless.
He is depicted in two fashions: as a beautiful young woman or as a monstrous, bearded demon with horns and sharply pointed nails. 

Yan-Gant-Y-Tan
Yan-Gant is often spotted on road sides and in poorly beaten forest paths and meeting him is a bad omen.
He holds five candles on the five fingers of his right hand and spins them about like a flaming wheel as a result of which he is unable to turn quickly for fear of extinguishing their light. 
The only sure way to ward off the bad omen Yan-Gant is to leave a small bag of gold or of gold chain around a travelers post which he will steal and leave you for another day, but in contrast to his nature it is said that should your lantern run out of light, on a whim, he may appear and give five candles to a person who has none, thus lighting the way for the traveler for the rest of the night.
He is depicted as a wiry old troll or hairy wild man, but the only way to surely distinguish him from other such creatures of course is the 5 candles upon his great hand.

Duke Sallos 
Sallos is a great and mighty Duke who governs 30 legions of demons.
He causes the love of women to men and is depicted in the form of a gallant soldier riding on a crocodile with a ducal crown on his head, but peaceably.  

Count FurFur
Furfur is a powerful Great Earl of Hell, being the ruler of twenty-nine legions of demons. He is a liar unless compelled to enter a magic triangle where he gives true answers to every question, speaking with a rough voice. Furfur causes love between a man and a woman, creates storms, tempests, thunder, lightning, blasts, and teaches on secret and divine things.
He is depicted as a hart or winged hart, and also as an angel.

Marquis Aamon
Aamon is a Marquis of Hell. He is the seventh of the 72 Goetic demons who governs forty infernal legions.
Aamon is depicted in two forms: one with the head of a dog-toothed raven, the body of a wolf, and a snake tail in place of its back legs. At the command of a mage, Amon may take the shape of man with a raven’s head, having teeth of a canine. He tells of all things past and future and he procures love and reconciles controversies between friends and foes.

Ukobach
Ukobach is a lesser demon of inferior order, he has no free will and will only follow the command of higher demons.
He is in charge of watching over the fires of Hell as ordered by Beelzebub as well as maintaining the oil in the infernal burners which is made of the blood of the damned.
He is said to be the inventor of fireworks and the art of frying foods and is depicted to have flaming red body, large eyes and ears, and often a pan full of coals or a hot poker. 

Count Ipes
Ipes is a count of Hell who commands thirty-six legions of demons and appears as a lion with the head and feet of a goose and a short rabbits tail. 
Ipes knows of the past, future, and gives men intellect and courage. 

Haures
Haures also known as Havres or Flauros discerns past, present, and future.
She destroys and burns enemies of mage, kills men by fire, and protects the mage against other spirits. 
She is said to know all secrets and will bring great harm to one’s foes.
She’s depicted as having golden hair which can turn blood red, large eyes with no whites, very fair skin, long legs, and being thinly built and beautiful.
She is calm and quiet and floats on air appearing with no wings. 

Prince Astaroth 
Prince Astaroth is a powerful crowned Prince of Hell.
He is a demon of The First Hierarchy, who seduces by means of laziness, vanity, and rationalized philosophies. He teaches mathematical sciences and handicrafts, can make men invisible, and answer every question formulated to him.
He is also said to give mortal beings the power over serpents.
Astaroth is described as a nude man with feathered wings, wearing a crown, holding a serpent in one hand, and riding a beast with dragon-like wings and a serpent-like tail. 

King Baal
King Baal is one of the Seven Princes of Hell. He is a Christian demon and was ranked as the first principal king in hell, ruling over the East.
He has 66 legions of demons under his command and is often compared to Satan or considered to be his main assistant. He is said to have the power to make those who invoke him invisible and having an apparent “stronger power” in the month of October.
He speaks hoarsely, carries ashes in his pockets, and can make people become wise.
He is traditionally depicted as forms of a man, cat, toad, or combination thereof with a set of spider legs.