John the Apostle
Revelation 22:20ESV·traditional attribution

He who testifies to these things says, “Surely I am coming soon.” Amen. Come, Lord Jesus!

Matthew Henry Presbyterian @wholebiblehenry

We have now come to the conclusion of the whole, and that in three things: - I. Christ's farewell to his church. He seems now, after he has been discovering these things to his people on earth, to take leave of them, and return to heaven; but he parts with them in great kindness, and assures them it shall not be long before he comes...

Commenting on Revelation 22:20-21

John Gill Reformed Baptist @doctorgill

He which testifieth these things,.... Not the angel, Rev 22:16 nor John, who sometimes used this way of speaking, Joh 21:24 but Christ, as appears from what follows; for he saith, surely I come quickly; who not only asserts the speediness of his coming, as in Rev 22:7 but expresses the certainty of it, so that it ought not to be doubted of by any...

Albert Barnes Presbyterian @notesbybarnes

Verse 20. He which testifieth these things. The Lord Jesus; for he it was that had, through the instrumentality of the angel, borne this solemn witness to the truth of these things, and this book was to be regarded as his revelation to mankind. .