Lernean Hydra (Earth-616)

it:Idra di Lerna (Terra-616)
Category:Regeneration
Category:Fins
Category:Underwater Breathing
Category:Typhon Family
Category:Echidna Family
Category:Dragon Form
Category:Fire Weakness
Category:Mythological Figures
Category:Giant Monsters
Category:Cthulhu Mythos Characters
Category:Twelve Labors of Hercules