A part of this creature was buried under a rock near the road to Elaeus. A 
A part of this creature was buried under a rock near the road to Elaeus. A giant crab that was an ally of this creature was made into the constellation Cancer by Hera. The charioteer who helped fight this creature was the son of Iphicles and combated it using a (*) burning brand. Pholus, Chiron, and Paris were all killed with arrows that had been dipped in the venom of this creature. Iolaus helped cauterize wounds of this resident of Lerna as Heracles methodically removed its body parts. For 10 points, name this mythical multi-headed snake.
A part of this creature was buried under a rock near the road to Elaeus.
the hydra