Shin Teikoku Gear, also known as the New Empire Gear, is a mechanical empire plotting global conquest from the heavily fortified Neograd base at the South Pole.

Founded and ruled by the cyborg Doctor Man, Gear commands Mecha Clones, Beastnoids, Mechagigans, and elite robotic officers. The empire represents Doctor Man's belief that mechanical life should rule over humanity.

Civilian Identity: Dr. Hideo Kageyama

Doctor Man is the supreme ruler of the New Empire Gear. Once a brilliant human scientist, Dr. Kageyama enhanced his intellect and body with cybernetic implants, abandoning his humanity to become a mechanical dictator.

He seeks to conquer the world through his army of Mecha Clones, Beastnoids, and giant war machines. Despite his cold ambition, he remains haunted by the memory of his human son, Shuichi.

Prince is introduced as Doctor Man's alleged son and heir. In truth, he is an advanced Mecha Clone modeled after Doctor Man's real son, Shuichi Kageyama.

His existence reveals Doctor Man's lingering attachment to the family he abandoned, making Prince one of the clearest signs that traces of humanity still remain beneath Doctor Man's mechanical obsession.

Mason is the leader of Gear's Big Three lieutenants. Cunning, ambitious, and ruthless, he once plots rebellion against Doctor Man himself.

Initially armed with a staff that fires energy bolts, Mason is later rebuilt with powerful upgrades, including Mason Rockets and the Mason Machine Gun.

Farrah is the female member of the Big Three. A master of disguise and infiltration, she frequently assumes human identities to carry out Gear's schemes.

She uses beam weapons and often leaves close-range combat to her bodyguard, Farrahcat. After being rebuilt, she gains upgraded attacks including Farrah Fire Storm and Farrah Kiss, an explosive flying kiss technique.

Monster is the heavy muscle of the Big Three. He possesses tremendous physical strength but very little intelligence, often relying on brute force rather than strategy.

He frequently works alongside the Beastnoid Juuou. Initially armed with a massive axe, Monster is later upgraded with weapons such as the Black Mace and Iron Paw.

Farrahcat is Farrah's loyal bodyguard and close-combat enforcer. Fast, agile, and acrobatic, she specializes in brutal hand-to-hand attacks against the Biomen.

She fights with sharp claws and twin nunchaku, handling much of Farrah's direct battlefield dirty work.

Mecha Clones are the mass-produced foot soldiers of the New Empire Gear. They are typically clad in black with silver mechanical heads and glowing red eyes.

They can also disguise themselves as ordinary humans, making them useful for espionage, infiltration, and sabotage.

Bio Hunter Silva is a robotic assassin from the Bio Star, programmed with one purpose: destroy anything possessing Bio Particles.

Armed with Anti-Bio Particles, also known as Nega Bio Energy, Silva arrives on Earth to exterminate the Biomen. He operates independently of Gear, turning the conflict into a dangerous three-sided war between the Biomen, Gear, and Silva himself.

Balzion is Bio Hunter Silva's personal giant robot and one of the most powerful anti-Bio weapons in the conflict.

Both the Biomen and the New Empire Gear recognize Balzion as a decisive weapon, leading to repeated attempts to locate, capture, or control it.