QuanQing "qz" Wu (born June 1, 1991) is a Chinese professional Counter-Strike: Global Offensive manager and caster and retired professional Counter-Strike: Global Offensive, Counter-Strike Online and Counter-Strike player. He is DD's elder brother. qz was previously banned from Valve-sponsored events due to a VAC ban issued on October 10, 2013, but has been unbanned following Counter-Strike's "New RMR Eligibility Guidelines" blog post.