Liu Yangyang, better known as YANGYANG (扬扬) is a Taiwanese rapper and singer born on October 10, 2000 in Taiwan. He was raised in Germany and is currently based in China and South Korea.
He is a member of the boy group NCT and its Chinese unit WayV. On July 17, 2018, he was introduced as part of SM Entertainment's pre-debut training team SMROOKIES.
In January 2019, he debuted in the Chinese unit WayV with the EP The Vision.