Leader of the k-pop group X1 who performed as a singer and rapper for the band. He secured first place on the survival show Produce X 101 to become the center of the group.
He was guest of the 2016 TV series Let's Eat Dinner Together.
He was a guest-star in an episode each of Idol Room, Idol Radio and Prison Life of Fools.
He was born in Seoul, South Korea.
He performed alongside Han Seung Woo, one of the other leaders of X1.