Hell one of 3.5 edition's strongest monsters, from the the published books, was the undead, aborted, fetus, that was the product of the rape of another god, or celestial/hell/abyssal creature, by a god of opposing alignment, like an angel raped by an evil god.
They are called atropals but are not kin to Atropus. Atropus is an actual god and is the size of a moon. Atropals are abominations and large size category, they also lack divine rank.