Hot-tempered and easily provoked. Vehicle Mode: Red sports car. Obeys Gigantrex faithfully. Calls Gigantrex 'Boss'. Nickname: Cream Shrimp. Green eyes. Height in robot mode: 10m. Weapon Card: Boost Gambiera (Flaming shoes). Often bickers with Guest.

Extremely impatient, combative, and prickly towards everyone except comrades. Vehicle Mode: Blue fighter jet. Calls Gigantrex 'Boss'. Prickly towards Flame Nova. Female. Nickname: Bluebird. Green eyes. Height in robot mode: 13m. Weapon Card: Nitro Express (Dual machine guns). Kind to Guest.

Sensible and gentle personality; indicates anger by raising his horns. Calls Gigantrex 'Boss'. Possesses a strong journalistic spirit. Vehicle Mode: Wrecker crane. Yellow eyes. Height in robot mode: 18m. Weapon Card: Variable Arm & Crane Boogie (A pair of sub-arms and a battle axe combining an axe blade with a mace). Raising his horns makes his eyes look fierce and a red pattern appears on his forehead, but he is just acting tough. Often looks after Guest.

Dignified and benevolent personality. Vehicle Mode: Tractor truck + trailer. The leader. Light blue eyes. Height in robot mode: 20m. Weapon Card: Rex Arm (A large gauntlet equipped on the left arm, designed in an angular shape resembling a Tyrannosaurus head). Cherishes Guest.

Sly and playful personality. Vehicle Mode: Off-road vehicle. Close friends with Rock Crush and Deep Bite. Green eyes. Height in robot mode: 13m. Weapon Card: Shadow Whip.

Childlike and pure, but introverted. Vehicle Mode: Drill tank. Green eyes. Height in robot mode: 11m. Weapon Card: Freezer Chest (Attaches to the chest).

Gentlemanly yet gruff personality. Vehicle Mode: Shark-type submarine. Yellow eyes. Height in robot mode: 17m. Weapon Card: Deep Trident (A rifle combining a trident and a cannon).

Values chivalry and uses elegant, archaic speech. Prone to tears. Vehicle Mode: Transport plane. Female. Green eyes. Height in robot mode: 20m. Weapon Card: Wind Runner (Transforms into horse-like hind legs and attaches to the lower body).

Prudent and gentle, uses polite formal speech. Vehicle Mode: Train. Green eyes. Height in robot mode: 203m. Weapon Card: Blast Claw.

Sly and arrogant personality. Vehicle Mode: Fire ladder truck, dump truck, excavator, helicopter. Green eyes. Height in robot mode: 23m. Weapon Card: Blaze Armor (Golden chest armor that breathes fire).