Revelation 9:11-13 they had for their king the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in the Greek his name is Apollyon.

Mace⁽ⁱ⁾ ¹¹ they had for their king the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in the Greek his name is Apollyon. ¹² One wo is past, and now two woes are to follow. ¹³ then the sixth angel sounded, and I heard a voice from the four horns of the golden altar, which is before God,