He has an honest and positive personality. He started GBN after watching the Champion's battle. His main Gunpla is the 'Gundam OO Diver Ace,' a machine specialized for close-quarters combat. He is male. His character wears a blue jacket with half-gloves, white pants, and blue shoes.

She followed Riku and Yuki into GBN and prefers cute avatars and pink Gunpla. She is female and loves pretty and cute things. Her character has long pink hair tied up and cat ears. She wears a pink skirt. She wears white boots. Her machine is the Momokapool.

A girl Riku and Yuki first met in GBN, she has the special ability to directly feel and communicate with the hearts of builders contained within Gunpla. She wears a white skirt and has light blue short hair. She is female and short in stature. She doesn't have her own machine, so she rides along in Riku's machine.

He has extensive knowledge of the Gundam series and Gunpla, serving as the brain of the team. He wears a brown pilot hat, green and white mixed pants, and brown shoes. The machine he uses is the GM III Beam Master.

She uses a ninja-style avatar and appears cold-headed, but she actually loves cute things and has a warm heart that cares for her comrades. Her machine is the RX-Zeromaru. She is female, covers her mouth with a black mask, and wears a red scarf. She likes SD Gundams.

He was a famous builder in the past but retired after being hurt. After meeting Riku's group, he returns and takes charge of Gunpla production and maintenance. He is male and has white hair. The machine he uses is the Galbaldy Rebake.

With a rough and cheerful personality, he is like a mentor who taught Riku and Yuki the basics of combat battles. His character is a wolf. The machine he uses is the Jiyan Altron. He is male and excels at Gundam battles.

A perfect individual with both skill and character, he is the ultimate goal and mentor that Riku admires. He is male with yellow hair, wearing a black trench coat and black dress shoes. The machine he pilots is the Gundam AGE-II Magnum.