Yamcha was first seen in the Dragonball series. He was the first boyfriend of Bulma. But he didnt go out with her because he was broke.
He is good friends with Goku and Tien. He started to train with the others in the DBZ series when the saiyons were on there way to Earth. But was killed and sent to King Kais to train with Piccolo,Tien,and ChaoZu. Although one of the weaker characters he fought courageously. But was to weak to fight well enough. He later kinda fades out as a character and does not fight anymore.