Yoku Albatrosa is one of the protagonists of the anime and manga series Battle Spirits Double Drive. Yoku is serious and uptight. However, he still has a caring side, and is shown to care for his companions. He considers Battle Spirits battling to be very serious, and he battles only for the sake of his world, Valgarde. He is also honorable about his role as a battler from the Albatrosa clan.