Onew, Jonghyun, Key and Minho had a fifth member of their South Korean boy group that was formed in 2008. This member also began his acting career in 2009 in an MBC comedy. Who is he?
Shinee: Shinee ( ; Korean: 샤이니; Japanese: シャイニー; stylized as SHINee) is a South Korean boy group formed by S.M. Entertainment in 2008. Shinee:  The group is composed of five members: Onew, Jonghyun, Key, Minho and Taemin. Lee Tae-min: Lee Tae-min (born July 18, 1993), better known by the mononym Taemin, is a South Korean singer and actor. Lee Tae-min:  He began his acting career in 2009 with MBC's comedy "Tae Hee, Hye Kyo, Ji Hyun" as Junsu.
Lee Tae-min