Hwang Hyunjin Samuel (황현진 사무엘) is born on March 20 2004, making him 20 years old. He's a March Pisces. His MBTI type, aka Myres Briggs personality type is a mix of INTP and ISTP. He's extremely smart with an IQ of 158 IQ points. He's very quiet and reserved. Instead of going out and partying, he prefers to stay at home and paint and study. He doesn't have a social life since he was homeschooled and never got a chance to talk to other kids as a small kid. 