"New world! Hello, I'm byunchang!
Choi Byung-chan (최병찬) is a Vocalist and Visual of the boy group Victon under Play M Entertainment. In 2019, Byungchan participated on the hit survival show Produce X 101, he was one of the fan favorites but had to drop out midway due to health reasons.
Byunchan debuted as a member of VICTON on November 9, 2016 with the mini album Voice To New World.
In May 2019, he, alongside fellow member Han Seung Woo, became a contestant on the survival show Produce X 101. However, on July 11, it was announced he would be leaving the show due to health issues.