Abaddon

He is termed Abaddon, the angel of the bottomless pit—the prince of darkness.

Apollyon, the destroying angel, the Greek name for the Hebrew Abaddon.

Now his desire should be satisfied, but no, "Sheol and Abaddon are never satisfied, and the eyes of man are never satisfied."

But we have this safeguard against such visits, that we never represented ourselves as intimate with the opinions of Abaddon.

These expressions, and the “destroyer” Abaddon or Apollyon, of Revelations ix.