Super Junior-D&E (Korean: 슈퍼주니어-동해&은혁, also known as Donghae & Eunhyuk, D&E or SJ-D&E) is the fifth sub-unit of South Korean boy band Super Junior, formed by SM Entertainment in 2011. It is composed of two Super Junior members: Donghae and Eunhyuk. The duo debuted on December 16, 2011, with their digital single "Oppa, Oppa".