'King' in the Bible

They have as king over them the angel of the abyss, whose name in Hebrew is Abaddon, and in Greek, Apollyon.

They sang the song of Moses the servant of God and the song of the Lamb: "Great and astounding are your deeds, Lord God, the All-Powerful! Just and true are your ways, King over the nations!

The beast that was, and is not, is himself an eighth king and yet is one of the seven, and is going to destruction.

They will make war with the Lamb, but the Lamb will conquer them, because he is Lord of lords and King of kings, and those accompanying the Lamb are the called, chosen, and faithful."

He has a name written on his clothing and on his thigh: "King of kings and Lord of lords."