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The Masked Man is the mysterious commander of the Pigmask Army. He wears a mask obscuring most of his head, and wields a light sword and an arm-mounted gun. The mask he wears changes his eyes to be red and green. He is first seen aboard a Pig Mask ship, and is later seen competing with Lucas to pull the Needles that seal the Dark Dragon, and Lucas encounters him multiple times in and out of battle. In the end the masked man turns out to be Lucas' brother Claus.

Source from Wikipeida