Rapper most famous as a member of the South Korean boy band Teen Top. He and the band are known for releases like 2013's Teen Top Class and 2015's Natural Born Teen Top, both of which topped the South Korean music charts.
He lived in California from ages 12 through 17. He was invited to join Teen Top after participating in an open Lotte World audition.
He has appeared as an actor on episodes of the television dramas Flower Grandpa Investigation Unit and Missing Noir M.
His birth name is Lee Byung Hun.
He has performed alongside Changjo as a member of Teen Top.