Lee Chan Hyuk was born on September 12, 1996, in Goyang, Seoul, South Korea and is a singer, songwriter, and producer part of the duo AKMU with his younger sister Suhyun.

He and his sister signed a contract to YG Entertainment in 2014, two years after appearing on the South Korean music competition K-pop Star where he had auditioned with his sister under the name “AKMU.”

Lee has many writing credits on AKMU songs, his sister Suhyun’s solo songs, and songs by other Korean artists in the industry, such as IU and YGE juniors TREASURE.