• Full name: Zhāng Yìxīng
  • Date of Birth: October 7, 1991
  • Nationality: Chinese (China)
  • Blood type: AB
  • Group: EXO
  • Agency: SM Entertainment
  • Debut: 2012
  • Position in the group: main dancer, sub vocalist
  • Family members: Mom, dad, grandparents, Lay
  • Nickname: ‘xingxing’,’Changsa prince’,and ‘racing (Lay+xing)’
  • He takes shower often. Twice or three times a day
  • Lay’s mom runs his Weibo channel