Toshiya is a popular Japanese name that can be given to boys. It often means "to be wise" or "to be a person of virtue." Many people named Toshiya are known for their intelligence and kindness. The name is commonly used in Japan and can be found in various forms of media, including anime and manga. In addition to being a name, Toshiya is also the name of a talented musician from the band Dir En Grey. He plays the bass guitar and is known for his energetic performances. Fans appreciate his unique style and contribution to the band's heavy sound, making him a significant figure in the Japanese rock scene.