• Full name: Kim Dong-yeong
  • Date of Birth: February 1, 1996
  • Nationality: Korean
  • Blood type: B
  • Group: NCT, NCT U, NCT 127
  • Agency: SM Entertainment
  • Debut: 2016
  • Position in the group: main vocalist
  • Family members: Mom, dad, older brother, Doyoung
  • Nickname: ‘Docomong’,’Rabbit Prince’, ‘Doggang’, and ‘Udong’
  • Doyoung’s older brother is a Korean actor, ‘Gong-myung’