Roy in Living with Nerdy (part 2). "Oh, yeah! It's Roy! Uhh huhh! Uhh huhh!" Roy is bowser Jr's brother. In the first episode, Bowser says he's his new best son. He appeared again in Living with Nerdy when he said to Larry, "but Jr's gonna die, too!". Categories: Koopalings Male Characters Community content is available under CC-BY-SA unless otherwise noted.