A basic Mega Tank resembles a large cannon. Its body is black with yellow highlights and has the Nobody sigil emblazoned on it. It has two large, conical wheels on either of its sides that are yellow and black. Its barrel ends in a silver rotating gun. There are also red and gold versions of this Nobody.
The Mega Tank's name references the size of the ship; "mega" means "very large" or "great." "Tank" and "revolver" both refer to the Nobody Ship's gun-like appearance and explosive attacks.
It attacks by firing multiple shots through its gatling gun. The Red and Gold versions drop treasures when defeated.