• Full name: Yoon Jeonghan
  • Date of Birth: October 4, 1995
  • Nationality: Korean
  • Blood type: B
  • Group:┬áSeventeen
  • Agency: Pledis Entertainment
  • Debut: May 2015
  • Position in the group: Sub vocalist
  • Family members: Mom, dad, younger sister, Jeonghan
  • Nickname: ‘Yoon angel’,’long hair guy’ and ‘Jjongjjong’
  • He is good at sports and is strong
  • Jeonghan has carsick