Boy'z is a Hong Kong Cantopop duo produced by EEG consisting of members Kenny Kwan and Steven Cheung. Kwan left the group in 2005, and was replaced with Dennis Mak in 2005. In 2006, William Chan joined the group, forming the trio Sun Boy'z. The trio disbanded in 2008, but Kwan and Cheung came back together as a duo in 2010.