Choi Jong-hyun (Korean: 최종현; born November 16, 1995), better known by his stage name Changjo (창조), is a South Korean singer, songwriter and actor.

He is best known as a member of the South Korean boy group Teen Top.

Music Core with the title track of the album "Clap".

On December 28, 2021, Changjo announced that he will not renew his contract with TOP Media starting from January 10, 2022.

[1] On June 7, 2023, it was announced Changjo signed an exclusive contract with Beat Interactive as soloist and actor.