Yener Çevik aka Sokak Kafası
(it is hard to translate but street smart / street wise is close to Turkish meaning),
he is an old-school Turkish Rapper. i wanted to help him for his graphic design needs
and he asked a logo with Old Turkic script (also known as variously Göktürk script) from me.
Thanks to Oktay Doğangün for helps to write script.