 He uses Sharpie markers to fill in larger areas, which he feels would be too tedious to render in pencil, such as the costumes of characters like Batman, which he believes should be rendered in black rather than blue.He uses Photoshop to color his cover work.He initially colored his covers after inking them traditionally, but beginning with "Wonder Woman" (Vol 2) #195, he switched methods to one in which he renders the greyscale stage in pencil, pen and marker like a painting, and then uses Photoshop's Layer tool to colorize each element in the image separately.