the angel of the bottomless pit.
His name in Hebrew is Abaddon,
and in Greek he is called
Apollyon.
Apocalypse 9:11
The name of the star is Wormwood.
A third of the waters became wormwood,
and many people died from the water,
because it had been made bitter.
Apocalypse 8:11 (ESV) The fifth angel sounded his trumpet,
and I saw a star that had fallen
from the sky to the earth.
The star was given the key
to the shaft of the Abyss.
Apocalypse 9:1 (NIV)