Name: Bloodwing Setting: Male robot. Grand Duke of the East, where the sun sets early and it is dark. Can transform into an ambulance with flight mode. Majored in medicine and specializes in anesthesia. Equivalent to a human in his 50s. Said to be a bat... no, a vampire. Attacks: Carries a red staff called Soul Taker; when a blade is attached, it transforms into the scythe-like Soul Ravager. Can defend by wrapping his wings around his body. Personality: A gentlemanly character like a seasoned noble. Altruistic tendencies. Appears blunt but is actually sociable. Uses a polite but slightly informal tone (hage-che). Robot Mode Appearance: White metal body 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. Anesthetic saliva comes from the tips of his fangs so the victim feels no pain while he sucks.

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 mid-to-late 40s. Attacks: Uses twin swords called Soul Divider, which can combine 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. Relatively polite 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 style and a god-like tone. Authoritative. Sadist. Robot Mode Appearance: Black metal body with white steel armor plates. Red LED eyes 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 at the ball to hide his identity as the Emperor. A sphere glowing red 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. Attacks: Uses the Howl Gauntlet, a wolf-shaped gauntlet. Also uses two Double Burst Magnum pistols that fire energy rounds for suppression. Personality: A young man of upright living. Gentle and kind. Calm and thoughtful. Uses formal speech only with strangers; calls acquaintances by name and uses casual speech regardless of rank. Robot Mode Appearance: Black metal body with blue steel armor plates. Blue LED eyes on a black screen face. Wears pink goggles and a blue metal 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 West, where it's warm and farming thrives. Equivalent to a human in his mid-30s. Attacks: Uses a mint-colored axe called Crane Boogie. Personality: Full of consideration and moral. Gentle personality. Dislikes fighting. Robot Mode Appearance: Black metal body 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 doesn't like. Late 30s. Attacks: Uses two swords with blue glowing blades, one in each hand. Can also breathe beams or fire from his mouth. Personality: Extremely bad. Robot Mode Appearance: Black metal body 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 and Grand Duke of the South. BlueCop's superior. His 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 vehicles instead of 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, using them only during fires. 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. Attacks: Fires powerful flames and energy blasts 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 metal body with red steel armor plates. Green LED eyes on a black screen face. A black steel armor plate covers his head like a helmet, but it seems to be part of his body and cannot be removed. Wears blue goggles. An excavator bucket is attached to his right arm. No specific animal features, but his long, thick green tongue makes him look like a snake.