when gau ban first traveled to kuruda, vy immediately recognized his potential. throughout the series, he has played a prominent role in the molding of young gau. he usually influences gau in an indirect manner, such setting up battles for him to fight. at other times he would act like a father figure and give him advice that is completely in contrast to the ones given by diaz. he is actually obsessed in making gau in to the ultimate warrior, and as such he constantly seeks to test him somehow. unbeknownst to gau and the others, vy is actually the elder son of shere kahn, founder of yin-ryū, and the older brother of gau.