Lee Seunghyub (Korean: 이승협, born October 31, 1992) is a South Korean rapper, singer, songwriter, instrumentalist and actor. He is the leader of the band N.Flying, where he sings and plays guitar and piano.

He made his solo debut under the stage name J.DON on February 22, 2021, with the single album "ON THE TRACK" with "Clicker" as the title track. He also releases his solo songs on his SoundCloud account. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.