Johnny Jung (Hangul: 정효성 born June 19, 1987), better known by his stage name Johnnyphlo (Hangul: 쟈니플로), is a Korean-American rapper, songwriter and producer. Best known for his collaborative work with various artists such as Ailee, Jay Park, Decipher, Dumbfoundead and more. Currently, he is pursuing his career in the Korean K-pop industry.