Marlon G. Fletcher (July 29, 1971 - May 22, 2003) better known under his stage name Big DS, was an American hardcore rapper and record producer from Queens, New York. He was co-founder of the hardcore rap group Onyx. As a part of Onyx Big DS released one album "Bacdafucup" and 8 singles on JMJ Records and featured on 1993's Judgment Night (soundtrack). As a part of Onyx Big DS was nominated as "Rap/Hip-Hop New Artist" on American Music Awards of 1994 and won "Best Rap Album" on 1994 Soul Train Music Awards. Big DS left the group in 1994 to start a solo career. Big DS founded his own label Illyotic Music and started producing music. After recording a few demos, Big DS sent them to Jimmy Iovine, co-owner of Interscope Records, in the hope of signing a contract with his label for the release of the album. On May 22, 2003 Big DS died in the hospital in Queens after receiving chemo as a result of lymphatic cancer. He was only 31 years old.e secret.