This is good but there are discrepancies in the lighting. Some of the highlights like the one on the back of the leg and his left forearm conflict with the main direction of the light I think.
Must have a thing for mohawks? This is awesome, either way. One crit is that his calves look a bit flat on both legs and require less shading around the knees and more under the calves themselves, according to your lightsource. Looks good overall, though.
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