Shuro (シャちゃん Shurokhan) - The main character who was kidnapped by Commander Maraudroid and General Kranc and turned into a cyborg dragon with jet backs. He has an extremely high aggressiveness due to hot-blooded enthusiasm, yet friendly towards his comrades. Shuro bears a striking resemblance to Shoutmon from Digimon Fusion. He was voiced by Chika Sakamoto.
Princess Luna (ルナ Runa) - A cute, female alien with a rabbit-like appearance and fairy wings who is the princess of Planet Lunez. She develops a love interest in Shuro, who flirts with her. Luna bears a striking resemblance to Lunamon from Digimon Fusion. She was voiced by Hiromi Konno.
Professor Alexander - An intelligient, jolly, understanding, kind, childish, calm, grumpy and fatherly human scientist who also admires Shuro. Alexander resembles Sultan from Aladdin. He was voiced by Shōzō Iizuka.
Copbot - A blue transforming police car robot with a whale-like face created by Professor Alexander. He is Shuro's best friend. He was voiced by Takeshi Kusao.
Emperor Zanba (ザンバ Zanba) - A main antagonist and an arch-villain of Shuro who is an intergalactic emperor and dictator with a dragon-like appearance. He was voiced by Hideyuki Hori.
Commander Maraudroid - An eccentric, greedy and quick-tempered human in samurai-themed armor who is one of Zanba's henchmen. He always, against his will, has to take orders from General Kranc. He bears a striking resemblance to Shredder from Mutant Turtles: Choujin Densetsu-hen. He was voiced by Kiyoyuki Yanada.