Leader of the Korean pop group Groove Over Dose who was also the group's lead rapper.
He was raised in Southern California and worked as a graphic designer due to his drawing skills.
His band Groove Over Dose had their own television show, which dominated the Korean ratings.
He was raised by his widowed mother. He got married in 2015.
He had a small part in the film adaptation of Speed Racer, which starred Emile Hirsch.