Revelation 9
11 Ref and they have over them a king -- the messenger of the abyss -- a name `is' to him in Hebrew, Abaddon, and in the Greek he hath a name, Apollyon.
12 Ref The first wo did go forth, lo, there come yet two woes after these things.
13 Ref And the sixth messenger did sound, and I heard a voice out of the four horns of the altar of gold that is before God,