Mythical Beasts: Monsters of the Gods

In ancient mythologies, many of the gods created all-powerful predators that unleashed panic on the human world. These horrors may be both beast and human, or many-headed monstrosities take your pick!
Meet the top ten weirdest, strongest and nastiest, including:
Charybdis, who swallowed ships in one easy gulp
Ammut, devourer of the dead
the elephant-snake Grootslang
the nine-headed Hydra