Real name: Dejan Kostić

Dejan Kostić (aka Du Du Vanila / MayJAH / Cy Bersaiko) is serbian songwriter, arranger, producer, lyricist and musician (playing guitars, keys, programming, vox).
Dejan was a founding member and leader of 'Du Du A' and 'I Group' bands in former Yugoslavia. He also wrote music for the first & only Serbian movie dealing with drug abuse "Pejzaži u magli" ("Fogscapes").
Passed away on July 7, 2013.