Seung Youn (승연; also known by his full name Cho Seung Youn) is a South Korean rapper under Yue Hua Entertainment. He is a member of the boy group UNIQ and a former member of the project boy group X1.
As a soloist, he goes by the stage name WOODZ. He made his solo debut on July 29, 2016 with the single "Recipe".
In 2019, he participated in Mnet's boy group survival show Produce X 101. He finished in fifth place, thus becoming a member of X1. The group officially debuted on August 27, 2019 with the mini album, 비상 : Quantum Leap.
However, on January 6, 2020, the agencies representing the members announced the group has disbanded due to not being able to reach an unanimous agreement following the Produce 101 vote manipulation controversy.