First Name: Yi Xing
Family Name: Zhang
Native name: 张艺兴
Also Known as: Lay;레이;Xing Xing;Xing Tuo;Zhang Yixing
Nationality: Chinese
Gender: Male
Born: October 7, 1991

Zhang Yi Xing, better known by his stage name Lay, is the main dancer of Exo-M. Lay was a local child star in Hunan, having won third place in a competition hosted by the popular TV program, Star Academy in 2005. Lay joined S.M. Entertainment in 2008 after a successful audition with the company's global casting system in Changsha. At the time of the auditions, he was 16 years old and was studying for his college entrance exams. In 2011, prior to debuting with EXO, he briefly worked for SHINee in their concert tour as Jonghyun's dance replacement. Lay was formally introduced as a member of Exo on January 17, 2012. He made his debut movie appearance in the Chinese movie 'Oh My God!'.