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Functional and morphological characterization of wood charcoal/periwinkle shell (WC/PWS) particles hybrid reinforced polyester matrix composites was successfully developed. Characterization tools such as energy dispersive x-ray spectrophotometer (EDXRF), Fourier transform infrared spectrometer (FTIR) and scanning electron microscope (SEM) coupled with EDS elemental detector were used to examine the composites developed. The EDXRF identified iron, copper, zinc, calcium and CaO, Fe₂O₃, CuO, ZnO as primary elements and oxide constituents of WC. Also, calcium, strontium, iron and CaO, SrO, Fe₂O₃ and Al₂O₃ as the basic elements and oxides contents of PWS. It is evident that these elements and oxides constituents influenced significantly the mechanical properties of reinforced polymer composites. The EDS mapping also confirmed the major elements identified by EDXRF analysis. Hybrid …