masterpiece, best quality, highres, newest, anime coloring, 1boy, solo, male focus, mature male, XMen97Bolivar, grey hair, mustache, stubble, labcoat, necktie, portrait, headshot, looking at viewer, smiling,

flat colors, depth of field, blurry background, blurry foreground, bokeh, worst aesthetic, worst quality, lowres, scan artifacts, jpeg artifacts, lossy-lossless, ai-generated, abstract, official art, watermark, logo, signature, text, artist name, dated, username, web address, multiple views, reference sheet, turnaround, greyscale, monochrome, bad hands, bad feet, extra digits, fewer digits, extra faces, missing limb, amputee, severed limb, mutated hands, distorted anatomy