Rapper who became known as a member of the South Korean boy band ZE:A formed by Star Empire Entertainment. He went on to form the duo ZE:After with Moon Joon Young and Kang Sung Ho.
He and ZE:A originally formed under the name Child of Empire by Star Empire Entertainment in 2010.
He and ZE:A landed their own documentary called Empire Kids Returns.
He has two younger brothers named Heejun and Heemang.
He and Park Hyung-sik both rose to fame as members of the boy band, ZE:A.