He has two-toned hair with blue and blonde, gear-shaped light blue pupils, and is a member of Team Persona. He has a high-tension, energetic personality and enjoys Beyblade immensely while being exceptionally skilled at it. He loves weird sushi. In official battles, he wears a mask with an X on it and competes as 'Mask X'. Because he views sports as play, he doesn't train, making him a physical weakling compared to others. His Bey is the attack-type Dran Brave.

He has dull red hair swept back with a headband so it looks like feathers; the headband is a tie-on style with long remaining strings. He has red eyes with X-shaped shining stars. Even as a pro blader, he loses every match he enters, but he has a passionate and persistent personality. His cooking skills and athletic reflexes are better than his Beyblade skills. He is a member of Team Persona. His Bey is the balance-type Hell's Reaper.

She has long two-toned hair with yellow, lime, and pink under black hair, and her pupils have rainbows of the same colors. She is an influencer with ten million followers. 'Cute Daun' wears an idol-style dress and uses semi-polite speech, using the stamina-type Wizard Arc with a cheerful personality. 'Cool Daun' uses informal speech and the defense-type Knight Mail, possessing a very confident aura. She chooses between 'Cute' and 'Cool' for battles depending on the opponent's affinity or battle style. Normally, she wears casual clothes and a gray headband with devil horns, possessing a calm yet bright personality.

She joined Team Persona to stop Gu Muyeong from destroying X City. She has deep blue pigtails, a yellow X-shaped hair ornament, and light blue eyes. She is quiet but smiles quite a bit; she is the type to speak her mind clearly with strong self-assertion and individuality. Although she left the Gu family, they are still her relatives; as the youngest, she is a polite girl who formally addresses Gu Isu as 'Orabeoni'. Her Bey is the balance-type Emperor Might.

A member of the Gu family with spiky black and blue hair, an X-shaped scar on his face, and a checkered scarf. He is the most aggressive member of the family and has strong pride, getting easily provoked by opponents. His skills are arguably the weakest in the family. His Bey is the stamina-type Clock Mirage.

One of the twin siblings in the Gu family and Saya's older brother. He has spiky two-toned hair that is orange on the outside and purple on the inside, with dots above and below his eyes. He has purple and orange heterochromia and wears a sun necklace. While he looks stoic and chic, he is actually flippant, rude, and looks down on others. His Bey is the balance-type red Sol Eclipse.

One of the twin siblings in the Gu family and Seo's younger sister. She has long two-toned hair that is purple on the outside and orange on the inside, with dots above and below his eyes. She has purple and orange heterochromia and wears a moon necklace. While he looks stoic and chic, he is actually flippant, rude, and looks down on others. Her Bey is the balance-type blue Sol Eclipse.

A member of the Gu family. Her true form has short dark green hair and a gloomy, hikikomori-like personality, but Nain mentions she rarely reveals her true self. Usually, she uses the 4X System to appear as a beautiful angel virtual avatar with angel rings, wings, long pale yellow hair with light pink and light blue tones, dark pink eyeshadow, and turquoise eyes. Unlike her gloomy true self, her avatar personality is cheerful and ends every sentence with the suffix '~yu'. Her Bey is the defense-type Heavens Ring.

The president and leader of the Gu family, a father who receives absolute trust and obedience from his children. He wears a white coat and hat with a gold X, a thick shirt resembling armor, and a mask with the number 0. He aims to destroy X City using his children and the Shin-X Tower to 'save' Beyblade. He used to have Nain as his assistant, but now he has Guest as his assistant and gives them his absolute trust. Despite his dignified appearance, he has a playful and high-tension personality.