John the Apostle
Revelation 19:17BSB·traditional attribution

Then I saw an angel standing in the sun, and he cried out in a loud voice to all the birds flying overhead, “Come, gather together for the great supper of God,

Matthew Henry Presbyterian @wholebiblehenry

No sooner was the marriage solemnized between Christ and his church by the conversion of the Jews than the glorious head and husband of the church is called out to a new expedition, which seems to be the great battle that was to be fought at Armageddon, foretold Rev 16:16. And here observe, I. The description of the great Commander, 1.

Commenting on Revelation 19:11-21

John Gill Reformed Baptist @doctorgill

And I saw an angel standing in the sun,.... By whom is meant, not the angel of the fourth vial, who poured it on the sun, taken in another sense than here, and therefore could not stand in it; nor the archangel with the last trumpet, for as yet the dead rise not, nor does the judgment come on; nor one of the ministering spirits...

Albert Barnes Presbyterian @notesbybarnes

Verse 17. And I saw an angel standing in the sun. A different angel evidently from the one which had before appeared to him. The number of angels that appeared to John, as referred to in this book, was very great, and each one came on a new errand, or with a new message. Every one must be struck with the image here.