Gai Yuki, also known as Black Condor, is one of the central characters in the tokusatsu series Choujin Sentai Jetman. A rebellious and tough loner, Gai initially refuses to join the Jetman team but eventually becomes a key member. His complex personality, love for jazz, and passionate nature often put him at odds with others, especially the team leader Ryu. Despite his rough exterior, Gai demonstrates deep loyalty and courage, making significant personal sacrifices for his teammates and the greater good.