He is termed Abaddon, the angel of the bottomless pit—the prince of darkness.
After that, they settled down to planning the Battle of Abaddon.
But we have this safeguard against such visits, that we never represented ourselves as intimate with the opinions of Abaddon.
Now his desire should be satisfied, but no, "Sheol and Abaddon are never satisfied, and the eyes of man are never satisfied."
These expressions, and the “destroyer” Abaddon or Apollyon, of Revelations ix.
destruction, the Hebrew name (equivalent to the Greek Apollyon, i.e., destroyer) of "the angel of the bottomless pit" (Rev. 9:11). It is rendered "destruction" in Job 28:22; 31:12; 26:6; Prov. 15:11; 27:20. In the last three of these passages the Revised Version retains the word "Abaddon." We may regard this word as a personification of the idea of destruction, or as sheol, the realm of the dead.