Ninku students. Along the journey, Fūsuke and the others are tasked with finding and controlling the mystical sky dragons in order to become stronger. Characters Main characters is the former captain of the 1st Ninku corps, the rat () Ninku. With the ability to control wind, Fūsuke searches for other former Ninku after a war with an evil empire. is the former captain of the 10th Ninku corps, the rooster () Ninku, and has extremely strong legs with an attitude to match, enabling him to cover large distances in a single bound and cause big damage on enemy machinery through his techniques. He also hates women, as this can be seen in his attitude towards Tōji's sister, who has a crush on him. He also considers Tōji an idiot. is the former captain of the 6th Ninku corps, the snake () Ninku, specializing in land (ground) attacks and techniques. He owns his own personal plane which he initially dubbed the Hindenburg but he sometimes changes the name to other transport disasters. The Hindenburg usually crash-lands in the beginning of the show as a recurring gag. His technique is the FuShabakut or "Air Dessert", which turns the ground into a tsunami-like state, a high-level Ninku move. Hiroyuki is Fūsuke's pet penguin. He possesses the ability to release explosive farts powerful enough to propel Fūsuke and itself. The stench is described as terrible and can knock others unconscious. Fūsuke considers him a friend and not a pet. He is supernaturally powerful. Tōji's sister. She was unintentionally rescued by Fūsuke from fake Ninku and, at the time, he was unaware that she is Tōji's sister. She desperately wants to meet handsome men and immediately becomes infatuated with Aichō, but has little luck with him. Enemies The high priest of the Empire and a master of feng shui. He is the spokesperson of the Emperor and it was he who defeated the Ninku master in a direct duel, forcing the Ninku to disband. His ultimate goal is to control the power of the Sky Dragon and for that purpose he has captured Fūsuke's mother in order to draw the dragon out. A Former Ninku captain who could command ice. After his fiancé was killed during the war he headed out to attack the Empire singlehandedly but was captured and convinced to join the Empire to prevent another war. Later reforms and helps Fūsuke and