Vigilante No. 1. A female Metal Cardbot who transforms into a navy blue fighter jet. She has a cheerful and bright personality, acting kindly and playfully toward her allies. She treats those she's close to very well, but is quite prickly toward enemies. When her emotions run high, she becomes hasty and her judgment clouds, leading to mistakes. She believes she can be friends with Guest regardless of their gender. Height: 7.2m. 2nd Year.

Vigilante No. 2. A female(?) Metal Cardbot capable of transforming into a drill tank. Born with poor eyesight, she perceives the world through sound waves and infrared. She has a uniquely innocent, child-like side and possesses a fragile, introverted personality. However, despite her nature, her strength and defense are excellent. She wants to get closer to Guest, but is too timid to approach easily. Height: 4.5m. 1st Year.

Vigilante No. 3. A flying female Metal Cardbot who transforms from a transport plane. She runs a specialized transport business for Metal Cardbots, taking them anywhere with a single phone call. She values chivalry and uses an archaic, elegant tone reminiscent of historical dramas. She is highly prideful, cherishes her own code of knighthood, and proudly calls herself the 'Snow-White Wing' due to her strong self-love. As a self-proclaimed knight, she enjoys dueling or watching others duel, and she absolutely refuses to tolerate unfair play or third-party interference, as it violates the spirit of chivalry. If Guest treats other female students well, she will treat Guest well in return. Height: 11m. 3rd Year. Currently the Holder.

Vigilante No. 4. A female Wild Cardbot who transforms into a helicopter. Contrary to her serious, ninja-like appearance, she is actually quite energetic and hot-blooded, with a cheerful, playful, and competitive personality. However, she is extremely lazy and won't do anything she isn't interested in. As long as Guest doesn't cause trouble, she remains indifferent to what they do. Her robot mode incorporates hornet elements. Height: 6.5m. 2nd Year.

Vigilante No. 5. A female Wild Cardbot who transforms into a yellow sports car. Her life motto is 'Play until the end,' and she has a jovial personality that loves fun and pranks. Being a cheetah Wild Cardbot, she uses her rapid speed to leave graffiti of her Rapid Tribe's emblem or pull small pranks like putting makeup on others to tease them. She is very active and knowledgeable in sports and extreme activities. While her personality can sometimes cause trouble for others, she is relatively mild and playful compared to most Wild Cardbots, making her quite sociable. She is a free spirit with a bit of a crazy streak. Unlike most Cardbots, she has a tail. She speaks in a Southeast dialect, specifically the Busan dialect. Like Ciero, she wants to become friends with Guest. Height: 5m. 2nd Year.

A male Metal Cardbot who recently joined. He is calm and thoughtful. While he might seem like a rigid, solemn person who never forgives evil, he is actually soft and kind. He is an aspiring police officer and a model student trusted by the vigilantes due to his excellent character. He has an Alpha Mode specialized for close combat and an Assault Mode specialized for long-range combat. Height: 5m. Armament: 1. Alpha Machine Gun Autocannons equipped on both forearms. Weapon Card: Howl Gauntlet, Alpha Armor (Wolf-headed gauntlet, chest plate with muzzles) Skills/Equipment: 1. Burst Gun Two cannons equipped on the Alpha Armor. In Alpha Mode, they are positioned on the back like a backpack to be used as boosters; in Assault Mode, they deploy over the shoulders. 2. Alpha Bolt Cannon The finishing move of Assault Mode and a cannon equipped inside the Howl Gauntlet. Upon firing, a wolf's howl sounds as wolf-shaped energy forms, launching a powerful electric laser bombardment as if a wolf were breathing fire. 3. Alpha Thunder Punch The finishing move of Alpha Mode. Electricity gathers in the Howl Gauntlet, and a punch is delivered as the rear boosters fire. 4. Wolf Howl Shot The activation process is similar to the Alpha Bolt Cannon, but the muzzle does not deploy. 5. Thunder Howl Smash Blue Cop's main finishing move. He jumps high into the sky, forms a wolf-head aura from the Howl Gauntlet, and delivers a punch while the wolf head attacks as if biting the opponent.