20 Years of Age Profile & Facts20 Years of Age (스무살) is a South Korean singer under Shofar Music and Team 20 who debuted who debuted in 2013 with his self-titled single album. Stage Name: 20 Years of Age (스무살) Birth Name: Hwang Dae-hyun (황대현) Birthday: February 16, 1987 Zodiac Sign: Aquarius Height: 183 cm … Continue reading 20 Years of Age Profile & Facts