His painting can be characterized as bold and colourful, ranging from stylized to realistic. He typically works from imagination and his themes run from Brazilian Candomblé Saints to Canadian wildlife and everything in between. The paintings typically include people or animals, often with fantastic or spiritual imagery as elements. Marcio works in watercolour, acrylics, oils and crayon conté. He works mainly on paper and canvas. Often he hand paints the frames, matching them to the painting, or sometimes the painting extends into the area of the frame.