Glasya-Labolas

In demonology, Glasya-Labolas is a mighty President of Hell who commands thirty-six legions of demons. He is depicted as a dog with the wings of a griffin.

He is the author and captain of manslaughter and bloodshed, tells all things past and to come, knows all sciences, gains the minds and love of friends and foes causing love among them if desired, incites homicides and can make a man invisible.