These are those things.
The feaster of daemons.
it has bloodthirsty red eyes, and black, crooked wings, with a mouth that could take a neighborhood-sized chunk out of the planet.
The Wurm
a underground, giant, burrowing leech that can swallow you whole.
The Bane of Justice
Fires a beam of evil that corrupts anything it touches.
A minion of the feaster of daemons is the less malevolent 'feaster of bunnies', which has two mouths, and is not evil, but just plain hungry.
--G