- Stage Name: Dongheon (동헌)
- Real Name: Lee Dongheon (이동헌)
- Birthday: August 4, 1995
- Birthplace: Andong, South Korea
- Alright! (Music)
- Banheol Subakke (Lyrics)
- Bulleojwo (Ring Ring Ring) (불러줘; Call Me) (Lyrics)
- F.I.L (Music)
- Flower (Lyrics, Music)
- Super Special (Lyrics)
- He is a former SM Entertainment trainee.
- He is scared of heights and insects.
- He can play the piano.