WOOSEOK

Jung Woo-seok (Korean: 정우석; born January 31, 1998), also known by the mononym Wooseok, is a South Korean rapper, singer, songwriter, and composer. He debuted as a member of the South Korean boy group Pentagon in October 2016 and also formed a duo with Lai Kuan-lin as Wooseok X Kuanlin in March 2019, under Cube Entertainment. In 2025, he created the project band KIK.