Also Agreas. He is one of the fallen angels, once a member of the order of virtues. After his fall he became one of the dukes of Hell, where he is served by 31 legions of infernal spirits. His human form is as an old man, and he is often pictured astride a crocodile, bearing a goshawk, or both. He, like many other fallen angels, has taught humankind; he is a teacher of languages. It is said that he is the cause of earthquakes. According to legend, he is one of the 72 spirits that were trapped in a brass vessel by Solomon.