Orhan Terzi (born 28 June 1964, in Turkey), better known by his stage name DJ Quicksilver is a Turkish DJ and music producer. Terzi moved to Germany with his family in the late 1960s. His stage name derives from his days taking part in DJ contests, where a mercury column would gauge audience reaction. He began working with Tommaso de Donatis on DJ Quicksilver material, and released tracks for a variety of record labels, including Avex Trax, Positiva, Telstar, Edel, Alphabet City, and Sub Terranean. In 1997 they released