Yoshihito "Jiro" Wayama (和山 義仁, Wayama Yoshihito; born October 17, 1972 in Hakodate, Hokkaidō) is the bassist of popular Japanese rock band Glay. He is also the bassist in his sideband The Predators. He was the last member of the official line up to join Glay, in 1992. Jiro used to be a guitarist in his first bands, and only picked up the bass when he joined the indie band "Pierrot", in Hakodate. In 1992, Pierrot moved to Tokyo to expand their career, but disbanded shortly after. Jiro was then invited by Takuro to join Glay. At first he refused but as Takuro insisted, he accepted to play one concert with them. He ended up staying in the band afterward.Jiro is considered the baby-faced in the group and was a favorite among teenager girls. He and Hisashi, were known for their visual kei looks. However in recent years the pair have toned down their image, wearing more casual clothing and hairstyles.He married in the year 2000 to a woman named Reiko; ex-editor of the music magazine What's In. Jiro worked in construction when he arrived in Tokyo, after graduating from high school. He hosts a radio show on Funky802 FM, "Buggy Crash Night".