|Nidhoggr's giant Dragon Ship|
|Element(s)||Earth / Frost|
|Weapons||Cannons, bombs, floor-spikes, Poison gas|
|First Appearance||Boktai 3: Sabata's Counterattack|
Rightfully named the Machine King, Nidhoggr is a boy-genious mechanic Immortal in Boktai 3: Sabata's Counterattack who works alongside Ratatosk as part of the Demon Clan. He is charged with protecting the Magic Canon that Django plans to use to reach Dark Castle. He manages to capture Trinity and hold him hostage within his Dragon Ship. While the ships itself is of the Earth element, he himself is of the Frost element.