Vehicle Mode: Police car. Main color blue with pink goggles and a gold medal on his police cap. Jun's partner who is very understanding of others. Weapon: Justice Gauntlet (a blue gauntlet equipped on the right arm). Skills: Burst Shot, Mega Volt Punch. Burst Shot: Fires energy rounds continuously from the Justice Gauntlet's muzzle. Mega Volt Punch: Envelops the gauntlet in powerful electricity to strike or fire, temporarily paralyzing the opponent.

Vehicle Mode: Ambulance. Red, green, and white colors with a red monocle on the left and light blue screen eyes. Jun's partner who looks prickly but is actually kind. Weapon: Mega Forceps (large medical pincers equipped on the right arm). Skills: Healing, Forceps Crush. Forceps Crush: Analyzes the enemy's weakness with the screen, then grabs joints tightly with the Mega Forceps. Healing: Surrounds a designated Metal Cardbot in green light to heal them.

Vehicle Mode: Truck. Main color orange with a rugby helmet-like head and light blue eyes. Jun's partner who is high-spirited and bellicose. Weapon: Mega Protector (Shield). Skills: Mega Power Tackle, Mega Power Shield. Mega Power Tackle: Charges forward with the shield held in front. Mega Power Shield: Combines the power of other Metal Cardbots to create a massive defensive barrier.

Vehicle Mode: Fire truck. Main colors red and black with a fire helmet and light blue eyes. Jun's partner who has trauma regarding fire and is easily scared, but is gentle and kind. Weapon: Aqua Cannon, Fire Hammer. Skills: Fire Hammer Blaze, Water Splash. Water Splash: Fires a powerful stream of water from the Aqua Cannon. Fire Hammer Blaze: Slams the Fire Hammer into the ground to cause an earthquake.

Vehicle Mode: Purple VTOL. Main color purple with a band featuring a red X on the forehead and lime green eyes. Jun's partner who is extremely mischievous. Weapon: X-Wheel (a giant shuriken-like weapon). Skills: Stealth, Heli-Tornado. Stealth: A skill to become invisible and hide from enemy sight. Heli-Tornado: Rotates the X-Wheel at high speed to create a whirlwind.

Jun: Has shaggy blue short hair and blue eyes. Owner of the Metal Breath, selfless and energetic. Anna: Pink bob cut with mint eyes and a white headband. Kind and unable to lie. Theo: Tan short hair with green eyes and black round-rimmed glasses. Smart and Jun's friend. Ed: Brown hair and tan eyes, wearing a yellow jacket. Owner of Ed Motors, an expert at fixing cars who ended up living with the Metal Cardbots.