Γνωστός και ως:Leonardo Belkaster, Hakan, Akan, Akan Belkiran, Bob Hakan, Hacan Serbes, Hakam Belkiran, Hakan Belkiran, Hakan Dan, Hakan Joel, Hakan Pitt, Hakan Serbes, Hakan Serbs, Hakan Zeigfield, Harkan, Harkan Dan, Leon Gaulthier, Leon Goltier, Hakan Grouther, Leon Goldtiere