They have as king over them the angel of the bottomless pit. His name in Hebrew is Abaddon, and in Greek he is called Apollyon.
Upon the sounding of this trumpet, the things to be observed are, 1. A star falling from heaven to the earth. Some think this star represents some eminent bishop in the Christian church, some angel of the church; for, in the same way of speaking by which pastors are called stars, the church is called heaven; but who this is expositors do not agree.
Commenting on Revelation 9:1-12
And they had a king over them,.... Which natural locusts have not, Pro 30:27; by whom is meant the false prophet Mahomet, who was at the head of the Saracens, and led them on to commit the outrages they did; and is believed in by the Turks to this day, as the great prophet of God, and by them preferred to all prophets, not only...
Verse 11. And they had a king over them. A ruler who marshalled their hosts. Locusts often, and indeed generally, move in bands, though they do not appear to be under the direction of any one as a particular ruler or guide.