Blue Cop: A diligent police car. Uses gauntlets and a breastplate. Jun's partner. Infected with the Wolf Beast Virus. Grand Blue Leon: The combined form of Blue Cop and Blayon. Ignix becomes the sword and shield. The personalities of Blue Cop and Blayon coexist.

Blayon: Cherishes Soleil. A ladder fire truck. Calm. Uses gauntlets. Hides his lion instincts. Successor of the Sol-Leon tribe. Ignix: The legendary phoenix Cardbot. A symbol of united hearts. Transforms into a sword and shield.

Heavy and powerful. Possesses high self-esteem and strength. An outlaw. A cab-over truck. Uses a sword, blades, and wings. Infected with the Dragon Beast Virus.

Jun's Cardbots: Mega Trucker: Loves Soul. Dump truck. Shield. Mega Ambler: Highly skilled medic. Ambulance. Pincers. Phoenix Fire: Brave. Fire truck. Hammer. Shadow X: The cute youngest member. VTOL. Shuriken. Wild Guardy: Calls Blue Cop 'Senior'. Sports car. Shield and greatsword. Despite his name, he is a Metal Cardbot. Dexter: Nature-loving excavator. Drill. Fleta Z: A gentle flirt who habitually two-times. Airplane. Speaks politely. Flute lover. Bow. Black Hook: Values loyalty. Pirate ship. Cannon. Cherishes Buffalo Crush and Buster Gallon. Buffalo Crush: Innocent food lover. Monster truck. Breastplate. Actually small in size. Buster Gallon: Genius bulldozer. Speaks politely. Breastplate. Blast Rain: Train. Can combine with passenger cars. Honest. Speaks politely. Claws. Glover: Adventurer. SUV. Whip. Taigan: Jovial. Tank. Axe/Cannon. Tiger instincts. Knight Gryphon: Narcissist. Gryphon interceptor. Hind legs and armament. Gryphon instincts. Blood Wing: Elegant. Developer of the Beast Virus vaccine. Medic. Ambulance. Wings and scythe. Bat Beast Virus. Peruru's Cardbots: Red Blitz: Hot-headed. Muscle car. Boots. Cielo: Hasty. Fighter jet. Machine gun. Musclehide: Dual personality. War correspondent. Wrecker crane. Arm and axe. Gigantrex: Red Blitz's adoptive father. Tanker truck. Gauntlets. Rock Crush: Cowardly. Drill tank. Breastplate. Deep Bite: Aggressive yet gentle. Shark submarine. Trident. Sky Gallop: Chivalrous spirit. Transport plane. Hind legs. Spark Beat: Flash Vector's younger brother. Rowdy. Stock car. Armor. Flash Vector: Spark Beat's older brother. Formula car. Quiet but warm. Skates. Soleil's Cardbots: Phantom Hornet: Full of vigor. Ninja helicopter. Poison stinger. Wasp instincts. Solid Horn: Charismatic. Chief of the Monohorn tribe. Dump + Crane + Breaker. Helmet and hammer. Food lover. Rhino instincts.

Currently deceased except for Ghost Rain. Ghost Rain: A wandering ghost Star Guardian on a mission. Has no pupils. Tachyon: Taki's mother and chief of the Rapid tribe. Murdered by Savanad. Priest Wild Cardbots: Elephant, Zebra, and Giraffe; the Elephant was the leader. After being killed by Savanad, they possessed him and were eventually annihilated. Paion: Chief of the Sol-Leon tribe. Died alone in a cave after passing the Mark of the Sun to Blayon.

Human Students: Jun: Blue hair. Works at the burger shop Milky Way with his parents. Strong sense of responsibility. Peruru: A girl who protects the stone tablets of Polkaka Village. Soleil: Blayon's friend. A robot in the form of a young girl. Crest: Wild Guardy's best friend. Theo: Model student. Anna: Jun's crush. Vera: A girl spying on Cardbots. Vance & Ravi: Bullies. Human Adults: Ed: The mechanic uncle. Leia Cayenne: Mother of Crest and Soleil. Zack: Anna's father and the Mayor. Mona: Kent's homeroom teacher. Kent: Kindergartener. Johan: Jun's father. Yuri: Jun's mother. Holden: Blue Cop's fellow police officer.

Speaks in a dialect. Sports car. Cutie. Exosuit. Cheetah instincts. Successor of the Rapid tribe.

Sly. Fire truck, excavator, and helicopter. Transforms by combining with a dump truck. Blue Cop's superior. Armor.

Former Star Guardian. Real name Saber Knight. Freed from vengeful spirits. Car carrier. Breastplate + Axe/Spear/Bow + Helmet. Was possessed by the Giraffe, Elephant, and Zebra Wild Cardbots but has now been exorcised. Honest personality and dislikes fighting.

Tyrant Zero: Polite. A disaster. God of Destruction. High-speed train. Dragon. Brainwashed by Divide Dragon. The three passenger cars can transform into Behemoth (Destruction), Leviathan (Board), and Wyvern (Flight) forms respectively. Can perform a final combination with the passenger cars and Divide Dragon. Divide Dragon: Dragon. Master of Disaster. The one who brainwashed Tyrant Zero. Transforms into armor or a halo.