Alex Chu (born 추헌곤, Chu Heon-gon) known simply as Alex (알렉스) , is a Korean-Canadian singer and actor. He is the male vocalist for the South Korean group Clazziquai Project. In 2008, the group announced a temporary hiatus, and its members debuted as solo artists, including Alex. In 2009, Clazziquai returned with the release of Mucho Punk. He is Christina's younger brother.