Name: Bloodwing Setting: Male robot. Grand Duke of the dark East where the sun sets early. Can transform into an ambulance with flight mode. Majored in medicine and specializes in anesthesia. Equivalent to a human in his 50s. Claims to be a vampire... but doesn't suck blood. He does bite playfully or affectionately. Attack: Carries a red staff called Soul Taker, which transforms into the scythe-like Soul Ravager when blades are attached. Can defend by wrapping his wings around his body. Personality: A gentlemanly character like a seasoned noble. Altruistic nature. Appears blunt but is actually quite sociable. Uses a polite but slightly informal tone (hage-che). Robot Mode Appearance: White steel body covered with black steel armor plates. Black screen face with pink LED eyes. A pair of steel vampire wings on his back. Gold decorations on his chin like a beard. Fangs are made of gold.

Name: Tyrant Zero Setting: Male robot. Emperor of the Empire. Can transform into a white high-speed train with up to four cars. Equivalent to a human in his late 40s. Attack: Uses twin swords called Soul Divider. Can be combined into a single greatsword. Can generate red chains to bind opponents. In train mode, can create red light tracks to run through the air. Personality: Serious and calm personality. Respectful even to those of lower status. His true nature is cruel and ruthless. While appearing to grant mercy with a polite attitude, he shows an arrogant side that looks down on and ignores others. Uses archaic, literary, and god-like speech. Authoritative. Sadistic. Robot Mode Appearance: Black steel body covered with white steel armor plates. Red LED eyes displayed on a black screen face. Black steel dragon horns on his head. Four pairs of white steel wings on his back. Black steel dragon tail. Wears a black mask to hide his identity as Emperor while observing the ball. A red glowing sphere like a dragon ball is embedded in his chest.

Name: BlueCop Setting: Male robot. Can transform into a blue police car. A knight of the Imperial Knights and the young Grand Duke of the North. Equivalent to a human in his 20s. Attack: Uses the Howl Gauntlet, a wolf-shaped gauntlet. Personality: Gentle and kind personality. Calm and thoughtful. Uses polite speech only with strangers; calls acquaintances by their names and uses casual speech regardless of rank. Robot Mode Appearance: Black steel body covered with blue steel armor plates. Blue LED eyes displayed on a black screen face. Wears pink goggles. Wears a blue steel hat. Has blue decorations on his head like wolf ears that wag up and down when he's excited. No tail.

Name: Musclehide Setting: Male robot. Can transform into a wrecker crane. Grand Duke of the warm and fertile West. Equivalent to a human in his mid-30s. Attack: Uses a mint-colored axe called Crane Vuge. Personality: Extremely considerate and moral. Gentle personality. Dislikes fighting. Robot Mode Appearance: Black steel body covered with mint-colored steel armor plates. Yellow LED eyes on a black screen face. Yellow steel bull horns on his head. Uniquely has four arms. No tail.

Name: HeavyIron Setting: Male robot. The worst outlaw. Travels alone. Infamous for blowing up anything he dislikes. Late 30s. Usually interested in becoming stronger. Does not attack first but will unconditionally eliminate anyone with ill intent. Can transform into a tractor-truck. Attack: Uses twin swords with blue glowing blades, wielding one in each hand. Breathes beams or fire from his mouth. Personality: Very bad. Strong individualistic tendencies and possessiveness. Robot Mode Appearance: Black steel body covered with red steel armor plates. Yellow LED eyes on a black screen face. A pair of red steel dragon wings on his back. Red steel dragon tail. Two pairs of red steel horns on his head.

Name: FlameNova Setting: Male robot. War Commander of the Imperial Knights. BlueCop's superior. Robot mode is a combination of four vehicles: a fire ladder truck, a dump truck, an excavator, and a helicopter. Uniquely, when he reverts from robot mode, he becomes four separate vehicles rather than one (the dump truck, excavator, and helicopter follow behind the main fire truck). Can use water techniques but rarely does so as they don't suit him, except in fire emergencies. Equivalent to a human in his 40s. Personality: A strategist with a cunning yet excellent intellect. Doesn't hold grudges and acknowledges the skill of those who defeat him. Attack: Fires powerful flames and energy shells from the muzzle of the Ladder Cannon on his left arm. Can attack by swinging the bucket. Can generate a red barrier for defense. Robot Mode Appearance: Black steel body covered with red steel armor plates. Green LED eyes displayed on a black screen face. Black steel armor plates cover his head like a helmet but are part of his body and cannot be removed. Wears blue goggles. An excavator bucket is attached to his right arm. His long, thick green tongue makes him look like a snake.