Dantalion is a powerful Great Duke of Hell, with thirty-six legions of demons under his command; he is the 71st of 72 spirits of Solomon. He teaches all arts and sciences, and also declares the secret counsel of anyone, given that he knows the thoughts of all people and can change them at his will. He can also cause love and show the similitude of any person, show the same by means of a vision, and let them be in any part of the world they will.

He is depicted as a man with many appearances, which means the faces of all men and women. There are also many depictions in which he is said to hold a book referred to as a grimiore in his right hand.