Appearances Edit

Mysterious Islands
Mercenaries Though slowed considerably by the weight of her thick, iron hull, the Hephaestus once survived a direct shot from a 30-pound cannonball.

Associated Characters Edit

Timeline Edit

Hephaestus was designed and constructed by Nemo and Herr Fuchs. She was known for her tough armor, though her lack of speed may have been her undoing, as neither she nor Herr Fuchs appear after the events of Mysterious Islands.