Wong Yuk-hei (born 25 January 1999), better known by the mononym Lucas, is a Hong Kong rapper, singer, and model. He is a member of the South Korean boy group NCT and its sub-units NCT U and WayV, as well as SM Entertainment supergroup, SuperM. He has one younger brother and attended Tung Wah Group of Hospitals Yow Kam Yuen College.
