Gained fame as one of the rappers for the boy band Stray Kids which debuted on the JYP Entertainment and Mnet reality series Stray Kids.
He had been a trainee at JYP Entertainment for three years before joining Stray Kids.
He and his Stray Kids bandmates Bang Chan and Seo Chang-bin were part of the group 3racha. They released several mixtapes online.
He was born and raised in Incheon, South Korea. He has an older brother.