He has brown hair, as well as a mustache and very thick eyebrows. His eyes are small black dots. His figure is extremely muscular. He wears a white sleeveless shirt, with spiky shoulder pads strapped to him, white and blue pants, a gold belt, and a blue hat with a star shape on it.
He acts arrogant, looking down on those who aren't from Atlantia.
Regen is a subordinate of Brau. He battled against Kizakura in Megallanion, and was defeated.
Later, he was guarding Grenada when she was in the West Villa. Amarello got him out of the way to help Grenada escape.
He uses a blue deck.
His deck has contained at some point, the following: