Hercules with the help of his nephew Iolau. However the fight may still be deemed fair as the Hydra had the aid of Cancer (the crab.)
Through a complex series of later events it is the venom of the Hydra that eventually kills Hercules.
The HYdra was killed by Heracles and his nephew. They knew what the hydra could do with their heads and Heracles cut them off while his nephew burned the stumps. The immortal head is still under the rock that Heracles put it under to keep it hidden.
The hydra killed with teeth, poison, or claws.
Hercules put fire torches on the heads.
tacos
Hercules killed the hydra, not odysseus
The Lernean Hydra is killed by Heracles in his second of twelve labors. However why the Hydra is killed is never fully explained.
Hercules/Heracles killed the Nemean Lion and the Hydra.
He killed the Hydra
In the end it was the Hydra that killed Hercules
Hydra
that's a lie a hydra can be killed using mudusa's head or burning the stups after you cut there heads off
Hercules killed it so I assume him.
Greek mythology has no chronology in our sense.
He was in mythology.[ He killed a 7 headed snake called a hydra.]
Hercules
Hydra belong to the kingdom Anamalia and the phylum Cnidaria.