Oecumenius

Until now, the vision has been describing to us the manner and the kinds of plagues by which the completion is brought about, alternating both those on the earth and in the sky, and with them, the people. But now, as if the completion has already occurred and the resurrection has taken place, it recounts the punishments against the sinners. He says, "I saw a star fallen from heaven to the earth", calling the star an angel of God who descended to the earth because of its brightness. …

Commentary on Revelation ↗

Cyprian

Of the idols which the Gentiles think to be gods. In the Wisdom of Solomon: "All the idols of the nations they counted gods, which neither have the use of their eyes for seeing, nor their nostrils to receive breath, nor their ears for hearing, nor the fingers on their hands for handling; but their feet also are slow to walk. For man made them; and he who has borrowed his breath, he fashioned them. But no man will be able to fashion a god like to himself. For since he is mortal, he fashioneth a dead thing with wicked hands. …

Treatise XII Three Books of Testimonies Against the Jews ↗

Bede

And I saw a star fallen from heaven to earth, etc. The flame of heretics, which he had mentioned briefly, he explains with what kindling it has grown: indeed, the ancient enemy, whom the Lord saw falling like lightning from heaven (Luke X), opened the hearts of his own with a blasphemous doctrine, and taught them, as if they were smoke, to seek high places, to speak iniquity in lofty terms.

Commentary on Revelation ↗

Alcuin of York

And the fifth angel sounded the trumpet, and I saw a star fall from heaven upon the earth, and there was given to him the key of the pit of the abyss. And he opened the pit of the abyss: and the smoke of the pit arose, as the smoke of a great furnace. What is represented by the angel and the star has already been said. By the abyss are symbolized the hearts of the wicked, darkened by the darkness of errors. …

Commentary On Revelation ↗