D.OStage Name: D.O. (디오)Birth Name: Do Kyung Soo (도경수)Chinese Name: Du Qing Zhu (度慶洙)Position: Main VocalistBirthday: January 12, 1993Zodiac sign: CapricornNationality: KoreanHeight: 172 cm (5’8″)Weight: 60 kg (132 lbs)Blood Type: A