Woo Ji Ho (우지호; born September 14, 1992 in Mapo, Seoul, South Korea), better known by the stage name ZICO[/ b] (지코), is a South Korean rapper. He is the leader of Block B. He is also a member of R&B/hip-hop crew FANXY CHILD. ZICO is notable for his successful crossover skills, maintaining an underground reputation with mainstream hip hop appeal even as a Korean idol. He has produced both successful K-pop and Korean hip-hop music. Prior to debuting with Block B in 2011