Artemios (Demis) Ventouris Roussos (born June 15, 1946) is a Greek singer.He was born in Egypt.He came to a wider audience in 1968 when he joined progressive rock band Aphrodite's Child, initially as singer but later also playing bass guitar. In 1970 the two released Sex Power (although the album has also been disputably credited to Aphrodite's Child), also recording the 1977 album Magic together. Their most successful collaboration was Race to the End, a vocal adaptation of the musical theme from the Oscar winning film Chariots of Fire, and also sung in Spanish as "Tu Libertad", whilst Roussos also appeared as a guest on the soundtrack to Blade Runner (1982).His solo career peaked in the 1970s with several hit albums. His single, "Forever and Ever", topped the charts in several countries in 1973. Other hits were "My Friend the Wind", "My Reason", "Velvet Mornings", "Goodbye, My Love, Goodbye", "Someday" and "Lovely Lady of Arcadia".
دمیس روسس، خوانندهء محبوب دههء 70 میلادی ، یک یونانی متولد مصر بود. آهنگهای بسیاری از او در ایران رواج پیدا کرد و بسیاری از آنها تقلید شد.