Jan 1, 2017-Dec 31, 2017
Jung Woncheol (KR: 정원철; JP: チョン・ウォンチョル; or simply Woncheol) is a South Korean singer under MYstar Entertainment and MY Entertainment. He is a member of the boy group MY.st and was a member of A6P under the stage name Ado. He was also a member of the pre-debut group HNB.