Trivia

Started his career in 1997 as a member of a back dancing team ING.

On 7 November 2011, he enlisted for mandatory military service. He served 21 months of active service after completing five-week of basic training course at a boot camp in Nonsan, South Chungcheong Province. He was discharged 9 August 2013.

Participated in the MBC College Music Festival in 2000.

Began his singing career in 1999 with the short lived Korean boy group, A4. He left after the band's first album debut, citing musical differences between himself and the other members of the band. After that, he joined a rock band, MAME, as vocalist for a short while.

Initially attended the Sun Moon University to study journalism but dropped out.

Attended the Gukje Digital University and Kyung Hee University's Graduate School of Communication.

His music career came to a halt in 2021 when he was convicted of habitual propofol use. He received a one-year prison sentence, suspended for two years.