Brett Astaire captains the NA Astro Rangers, representing the United States in the World Grand Prix Mini 4WD championship. His disciplined leadership prioritizes advanced technology within the team's racing strategies.

He has short blond hair and blue eyes, typically dressed in a black T-shirt, red jacket, visor goggles, black pants with a belt, and often uses glasses. Born on June 2 in Washington D.C., he enjoys crossword puzzles during downtime.

Serious, strict, and occasionally snobbish in demeanor, Brett harbors genuine care for his teammates and unwavering commitment to leading the NA Astro Rangers to WGP victory. His leadership demands precision, determination, and high standards, resolving team conflicts to ensure cohesion during races.

Brett pilots the Buck Blader, a technologically advanced Mini 4WD car. This vehicle possesses a specialized ability to drain its entire battery reserve for a temporary speed boost—a tactic Brett successfully deployed against the TRF Victorys. The Buck Blader's exact specifications remain undefined compared to his teammates' speed-focused, corner-focused, or torque-focused configurations.

His racing approach emphasizes precision, teamwork, and technological advantages, cementing the NA Astro Rangers as formidable competitors against top international teams like Japan's TRF Victorys.