Lim Hyung Joo (born May 7, 1986) is a UN Peace Medal (United Nations Peace Medal) winning (the first and the youngest Korean awarded) South Korean operatic pop (popera) tenor and classical crossover singer.
He has sold more than 1.2 million (1,200,000) records worldwide, including over 1 million (1,000,000) in South Korea, and his total digital songs, singles and albums (including digital downloads, streaming and ringtone service) sold more than 10 million (10,000,000) units.