Place of Birth: Tongyeong, South Gyeongsang, South Korea
Homepage:
Also Known As: 송형준, Song Hyung Jun, Song Hyeong Joon, Song Hyung Joon, 엑스원, X1
Biography: Song Hyeong Jun was a Korean pop trainee for one year and three months under Starship Entertainment prior to his appearance on Produce X 101.