YZERR, also known as Yuya Iwase, is a Japanese rapper born on November 3, 1995, in Kawasaki, Kanagawa Prefecture, Japan. He gained recognition in the RAP Championship for high school students in 2012 under the name DIABLO, where he competed alongside his twin brother, T-Pablow. YZERR emerged victorious in the 5th competition in 2014, leading to his solo music endeavors.
In March 2019, YZERR released his debut solo project, "Rick or Die," followed by "Rick or Die 2" in April 2023. After the disbandment of BAD HOP in February 2024, he transitioned into entrepreneurship. In January 2025, he dropped his first single "South Side" as a solo artist, and the following month saw the release of his debut album, "Dark Hero."
