Slobodan Veljković (Serbian Cyrillic: Слободан Вељковић, pronounced [slobǒdan ʋěːʎkoʋitɕ]; born 11 April 1985), known professionally as Coby (pronounced [tsǒbi]), is a Serbian rapper, singer, songwriter and record producer.

[1] Coby gained more significant success by writing and producing songs for pop-folk singers like Boban Rajović, Dara Bubamara and Ana Nikolić.

As a recording artist he rose to mainstream prominence in 2015, with the single "Ideš za Kanadu" featuring THCF, released for the purposes of the crime documentary series Dosije.

[2] Coby has collaborated with numerous acts, including Elitni Odredi, Rasta, Nikolija, Senidah, Jala Brat, Buba Corelli, Sara Jo, Nataša Bekvalac, Bojana Vunturišević and Teodora.

[3] His songs often feature the signature watermark "Coby, jesi li ti radio traku?"