Species_and_Major_Physical_Traits: Representative of the Mong Tribe, Gai possesses a tan complexion, accentuated by brown hair that is teased upwards and lighter-shaded sideburns. He has distinctly large ears, characteristic of his species, though it is unknown if he possesses a tail like typical monkeys. Body_Outfit_and_Accessories: He is typically seen in a practical blue drawstring hoodie worn over a simple white shirt. His lower attire consists of blue iga-bakama, traditional pleated trousers, with white bandages tightly wrapped from his ankles up to his knees. He completes his look with black slip-ons, blue and white striped sweatbands on his wrists, and black gloves, all designed for unrestricted movement. Personality_Traits_Behavior_and_Speech: Gai maintains a consistently confident demeanor, even when facing challenging situations, though this often leads him to unexpectedly get into trouble. Beneath his calm exterior, he carries a profound sense of guilt, stemming from hiding his true identity and the resulting harm to his friends. As the eldest brother, he is fiercely protective and nurturing, always looking out for his younger siblings. He speaks with conviction and possesses a strong, unwavering sense of justice Hobbies_Gimmicks_and_Unique_Traits: His primary abilities as a ninja include the rapid creation of 4 to 8 clones of himself and instant teleportation. Off the battlefield, he demonstrates his protective nature by often 'acquiring' snacks and drinks to provide for his younger brothers. His ultimate mission is to restore the honor of his tribe through his participation in the Running Man Games. Additional_Information: He is the older brother to Zai, Pai, and Mai. He was chosen after years of tribal isolation to represent the Mong Tribe in the Running Man Games.

Younger than Gai by a year. Pai's hair and eyes are blue. They asked for the Running Men's help when Gai was kidnapped and successfully helped Gai to escape his brainwashing. Popo, Lonky, Pala encouraged that it would be okay and Gai would be rescued.

Zai is the middle youngest of Gai’s little brothers. Zai's hair and eyes are grayish green. Zai seemed to be childish as he was seen not keeping his head down when they were apologizing the Running Man until Pai placed his hand on Zai's head and keep his head down

Mai is the youngest of Gai’s little brothers. Mai's hair and eyes are greyish. Zai, Mai, Pai are younger brothers of Gai. They have to depend on Gai because he was the only caretaker of them. They showed their love by helping Gai in the games. They also asked for the Running Men's help and competed in the game when Gai was kidnapped.