Bang Yongguk (Hangul: 방용국; born March 31, 1990), often simply known as Yongguk, Bang or Jepp Blackman, is a South Korean songwriter, rapper, singer and dancer. He is the leader and the main rapper of the South Korean group B.A.P. In 2007, Yongguk was part of a underground hip-hop group called Soul Connection. In March 2011, he was featured in Song Jieun's (송지은) Going Crazy and the single became a number one hit in South Korea. Prior to B.A.P's debut, TS Entertainment formed a sub-unit called Bang&Zelo with B.A.P member Zelo (젤로), and released their single "Never Give Up" in November, 2011. <a href="https://www.last.fm/music/Jepp+Blackman">Read more on Last.fm</a>. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.