Roy first appears in the manga in chapter 2. He is Arngrim's younger brother. Weak from birth with a lame leg, it explains Arngrim's career choice as a mercenary, acting responsible for Roy's well-being and comfort.
The brothers live together, but do not seem to get along. Arngrim fails to understand Roy's love of painting, while Roy disapproves of his brother's murdering of people for money. At the same time he regrets his criticism, knowing that Arngrim only fights to support him.
After Arngrim kills Lombert and two soldiers, Roy is sentenced to death for his brother's crimes. Before his execution Lawfer rescues him from prison.
The last time we see Roy is in the final chapter. He is painting outdoors, his attention turned upward to the sky where sakura petals float after Lenneth renewed Midgard and Asgard with her powers of Creation.
Roy originated in Valkyrie Profile (Playstation) and does not appear anywhere else.