Model Number: BP-601 Total Height: 5.06m Weight: 1.86t Max Speed: 78km/h Max Output: 1,200ps Alias: Motorcycle Cop Equipment: Standard Issue Handgun, Shotgun Gunmax himself does not have a transformation gimmick into other forms. He was developed for highway patrol, but his affected way of speaking and tendency for solo action caused him to be rejected by the highway patrol. Saejima reluctantly transferred him to the Brave Police. He often uses American slang and is a cynical ironist. In a sense, he is more aware of being a robot than anyone else and approaches things with a calm, objective perspective, but despite his appearance, he is serious and sensitive at heart. He prefers to drink his fuel straight from the bottle. Gender: Male. First person: I (rough, casual).

Model Number: BP-500 Total Height: 5.4m Weight: 3.2t Max Output: 4,620hp Vehicle Mode Total Length: 4.9m Max Speed: 467km/h Animal Mode Body Length: 3.8m Max Speed: 427km/h Jump Distance: 120m Jet Mode Total Length: 4.7m Max Speed: 3,620km/h Max Thrust: 18t Payload: 10.7t Tank Mode Total Length: 5.1m Max Speed: 328km/h Equipment: Ninja Sword, Shuriken, Vulcan, Kusarigama A robot built based on Kagerou's data, serving as a Ninja Detective equipped with a stealth circuit. He acts like a nihilistic lone wolf and refers to himself as a wolf, but he also has a childish and lonely side, becoming furious if called a dog. He occasionally makes spiteful remarks and sometimes clashes with his comrades. He refers to the other robot detectives as "Master [Name]" and calls Yuuta "Little Boss." Gender: Male.

Model Number: BP-110 Total Height: 5.12m Weight: 2.15t Max Output: 3,200hp Max Running Speed: 87km/h Patrol Car Mode Total Length: 4.49m Max Speed: 427km/h Equipment: Standard Issue Handgun Leader of the Brave Police. Through his interactions with Yuuta, whom he met during development, a change occurred in his AI, and he became a robot with a heart. His personality is honest, sincere, and devoted. On the other hand, he can be stiff and indecisive; when he gets sulky, he goes silent and has even run away from home before. Gender: Male. First person: I (polite, formal).

Model Number: BP-119 Total Height: 5.17m Weight: 3.17t Max Output: 5,200hp Max Speed: 93km/h Ambulance Mode Total Length: 4.75m Max Speed: 470km/h Equipment: Double-edged Sword, Standard Issue Handgun A robot with the personality of a British gentleman who values chivalry. He has a pure desire to "become the police officer his creator, Regina, wanted him to be," but as a result of being strongly influenced by her biased ideology and education, he became a prideful and argumentative individual. However, after various events, his personality softened slightly, and he became a sub-leader figure within the Brave Police. He is the only one outside the 500 series equipped with a stealth circuit. Gender: Male.

Total Height: 4.63m Weight: 3.15t Max Output: 7,300hp Drill Tank Mode Total Length: 6.42m Max Speed: 294km/h Underground: 54km/h Bedrock: 27km/h Jet Mode Total Length: 6.42m Max Speed: 3,270km/h Equipment: Leg Machine Guns, Soccer Ball, Soccer Bomb, Standard Issue Handgun The fourth member of the Build Team. He has a childish, innocent, and naive personality. He finds incidents amusing and has many immature aspects, such as being unreliable during mistakes or major decisions. As his alias "Soccer Detective" suggests, he is a robot who loves soccer. Gender: Male. First person: I (soft, boyish).

Model Number: BP-301 Total Height: 5.1m Weight: 5.6t Max Output: 6,220hp Crane Truck Mode Total Length: 6.24m Max Speed: 298km/h Equipment: Shotgun (Uses standard shells, ventilated shells, explosive shells, and grenade warheads like stun rounds) The detective who serves as the leader of the Build Team. His personality is calm and serious, but his flaw is that he resorts to brute force when angry. He is a robot who values the spirit of philanthropy and prefers to discuss things calmly first. He and Seia Onoue of the Defense Forces are mutually attracted to each other. He is a master marksman who excels at precision shooting with his favorite shotgun. Gender: Male.

Model Number: BP-302 Total Height: 5.07m Weight: 4.79t Max Output: 5,970hp Power Shovel Mode Total Length: 3.18m Max Speed: 309km/h Equipment: Standard Issue Handgun, Tonfa, Nunchaku A detective belonging to the Build Team. He is hot-blooded and a bit of a jokester, but he's a good-natured robot who can't help but worry when he sees someone in trouble. He has high physical capabilities and excels at using melee weapons like tonfas and nunchaku, as well as spear-hand strikes. Gender: Male.

Total Height: 5.03m Weight: 6.72t Max Output: 7,300hp Dump Truck Mode Total Length: 6.0m Max Speed: 282km/h One of the detectives in the Build Team. He has a personality that is a triple threat of stubborn, stiff, and earnest, but he is devoted in love. His catchphrase is "I am [Name], sir!" He is a robot who can be a bit of a scatterbrain at times. Gender: Male.

Model Number: BP-500X Total Height: 5.4m Weight: 3.2t Max Output: 4,620hp Equipment: Kusarigama, Shuriken, Vulcan, Beam Machine Gun Capable of transforming into an unmarked patrol car and a pterosaur; equipped with a stealth circuit. Originally not an official member of the Brave Police, he was a prototype built to help complete Shadowmaru and served as his training partner. Fearing the loss of his own heart's significance and his memories, he escaped before he could be initialized. After various events, he successfully joined the Brave Police. He is an irreplaceable older brother and mentor to Shadowmaru, and he has now settled in with everyone. Gender: Male.