His eyes were as a flame of fire, and on his head were many crowns; and he had a name written, that no man knew, but he himself.

People's New Testament

19:12 His eyes were as a flame of fire. See PNT Re 1:14.

On his head were many crowns. Diadems. All kingly authority is concentrated in his hands. He is King of kings.

A name written, that no man knew,but he himself. Probably the new name of Re 2:17, a name which will be disclosed to those invited to the marriage supper of the Lamb (Re 3:12).

Wesley's Notes

19:12 And his eyes are a flame of fire - They were said to be as or like a flame of fire, before, Rev 1:14; an emblem of his omniscience. And upon his head are many diadems - For he is king of all nations. And he hath a name written, which none knoweth but himself - As God he is incomprehensible to every creature.

Jamieson-Fausset-Brown Bible Commentary

12. Identifying Him with the Son of man similarly described, Re 1:14.

many crowns-Greek, "diadems": not merely (Greek, "stephanoi") garlands of victory, but royal crowns, as King of kings. Christ's diadem comprises all the diadems of the earth and of heavenly powers too. Contrast the papal tiara composed of three diadems. Compare also the little horn (Antichrist) that overcomes the three horns or kingdoms, Da 7:8, 24 (Quære, the Papacy? or some three kingdoms that succeed the papacy, which itself, as a temporal kingdom, was made up at first of three kingdoms, the exarchate of Ravenna, the kingdom of the Lombards, and the state of Rome, obtained by Pope Zachary and Stephen II from Pepin, the usurper of the French dominion). Also, the seven crowns (diadems) on the seven heads of the dragon (Re 12:3), and ten diadems on the ten heads of the beast. These usurpers claim the diadems which belong to Christ alone.

he had a name written-B and Syriac insert, "He had names written, and a name written," &c., meaning that the names of the dominion which each diadem indicated were written on them severally. But A, Vulgate, Origen, and Cyprian omits the words, as English Version.

name . that no man knew but . himself-(Jud 13:18; 1Co 2:9, 11; 1Jo 3:2). The same is said of the "new name" of believers. In this, as in all other respects, the disciple is made like his Lord. The Lord's own "new name" is to be theirs, and to be "in their foreheads"; whence we may infer that His as yet unknown name also is written on His forehead; as the high priest had "Holiness to the Lord" inscribed on the miter on his brow. John saw it as "written," but knew not its meaning. It is, therefore, a name which in all its glorious significancy can be only understood when the union of His saints with Him, and His and their joint triumph and reign, shall be perfectly manifested at the final consummation.

Matthew Henry's Concise Commentary

19:11-21 Christ, the glorious Head of the church, is described as on a white horse, the emblem of justice and holiness. He has many crowns, for he is King of kings, and Lord of lords. He is arrayed in a vesture dipped in his own blood, by which he purchased his power as Mediator; and in the blood of his enemies, over whom he always prevails. His name is The Word of God; a name none fully knows but himself; only this we know, that this Word was God manifest in the flesh; but his perfections cannot be fully understood by any creature. Angels and saints follow, and are like Christ in their armour of purity and righteousness. The threatenings of the written word he is going to execute on his enemies. The ensigns of his authority are his name; asserting his authority and power, warning the most powerful princes to submit, or they must fall before him. The powers of earth and hell make their utmost effort. These verses declare important events, foretold by the prophets. These persons were not excused because they did what their leaders bade them. How vain will be the plea of many sinners at the great day! We followed our guides; we did as we saw others do! God has given a rule to walk by, in his word; neither the example of the most, nor of the chief, must influence us contrary thereto: if we do as the most do, we must go where the most go, even into the burning lake.