The new main character from Bakusou Kyoudai Let´s & Go!! MAX Gouki is Retsuya´s older brother. By his appearence, he seems to be 11 while Retsuya is younger than him. Gouki has blue eyes and dark hair. He wears a red bandana on his head and goggles. His personality matches with Go Seiba, while Retsuya´s personality is a mix between Retsu´s and Ryo Takaba´s... His racing car is MAX Breaker