(just some of goetia demons)
Amon is the Seventh Spirit listed in the Goetia, a duke who governs 40 Legions of spirits. He usually appears as a wolf with a serpent's tail & firey breath. If requested, he can take human form with a raven's head & sometimes with dog teeth. He knows of the past & can predict the future, as well as help to reconcile disputes between friends.
Andromalius is the Seventy-second Spirit listed in the Goetia, who governs 36 Legions. He appears in the form of a man holding a serpent. He is responsible for catching theives & returning their stolen goods, as well as finding treasures. He also discovers all wickedness & punishes thieves & other wicked people.
Astaroth is the Twenty-ninth Spirit listed in the Goetia, who governs 40 Legions. He appears as a hurtful angel riding a dragonlike beast & carrying a viper in his right hand. Those who summon him need the Magical Ring to guard against Astaroth's breath. He gives true answers, knows of past, present & future events, can discover secrets, & can also describe the fall of himself & the other spirits. He also teaches liberal sciences.
Bael is the First Principal Spirit listed in the Goetia. He is King of the East & rules over 66 Legions of spirits. He can take the shape of a cat, toad, man, & sometimes all three at once. His power is invisibility.
Balam is the Fifty-first Spirit listed in the Goetia, who governs 40 Legions. He appears with a serpent's tail, flaming eyes, & three heads: a bull, a man, & a ram. He rides a bear & carries a goshawk. Balam knows of past/present/future events & can make man invisible or become witty.
Beleth (Bileth, Bilet) is the Thirteenth Spirit listed in the Goetia, who governs 85 Legions. He rides on a horse as trumpets and other musical instruments play before him. He has the ability to cause love in men & women until the Master's desire is satiated. He is a difficult demon to summon, but if the proper proceedings are followed, he will yield.
Belial is the Sixty-eighth Spirit listed in the Goetia, who governs 80 (possibly 30 or 50) Legions. He was created next to Lucifer (http://www.deliriumsrealm.com/delirium/mythology/lucifer.asp) & appears as two angels sitting in a chariot of fire. He distributes presentations & senatorships & causes favor of friends & foes. He requires offerings, sacrifices, & gifts to be presented to him or he will not give true answers.
Stolas (Stolos) is the Thirty-sixth Spirit listed in the Goetia, who governs 26 Legions. He appears as a raven, but will take on human form if commanded. He teaches stronomy, herbology, & virtues of precious stones.
Vapula (Naphula) is the Sixtieth Spirit listed in the Goetia, who governs 36 Legions. He appears as a lion with gryphon wings. He teaches men handicrafts & professions as well as philosophy & sciences.