Atlantis is a villainous character from the classic anime and manga series 'Kinnikuman'. He is a member of the Seven Devil Choujin, a group of antagonists who challenge the protagonist, Kinnikuman, and his allies. Known for his aquatic powers, Atlantis can manipulate water to his advantage in battles, making him a formidable opponent. Despite his menacing appearance and malevolent nature, Atlantis is a strategic thinker who often uses cunning tactics to outsmart his opponents. His role in the series is to test the strength and resolve of the hero and his friends.