Park Gunwook (ZEROBASEONE (ZB1)) Profile and Facts: Park Gunwook(박건욱) is currently a member ofZEROBASEONE, after ranking 5th onMnet’sBOYS PLANET. He is also known for his appearance onMBC‘s survival showExtreme Debut: Wild Idol. Birth Name:Park Gunwook (박건욱) Birthda...