Super Junior-Donghae & Eunhyuk (Korean: 슈퍼주니어-동해&은혁, also known as Super Junior-D&E or D&E) is the fifth official subgroup of the South Korean boy band Super Junior, formed by SM Entertainment in 2011. The sub-group is composed of two Super Junior members Donghae and Eunhyuk. The duo's first official performance was on December 16, 2011, on KBS's Music Bank, performing '떴다 오빠 (Oppa, Oppa)'.[1] The group released their first Korean extended play (EP), The Beat Goes On on March 9, 2015.[2].