Admiral Marshall Greatoceanbergston is a fictitious character, famous, legendary and the most powerful naval commander of the Imperialstoneland Federation.
Admiral Marshall Greatoceanbergston is a superhuman who has superpowers : attack the enemy fleet by summoning sea storms and rogue wave. Admiral Sea Devil also knows how to summon powerful sea monsters , but for this he needs a special artifact of unknown origin.
Despite the fact that the Marshall Greatoceanbergston is not the Commander in Chief of the Navy , he heads the Admiralty and is the Minister for the Navy