male teenager full body concept art, cute, short, short shaggy brown hair, realistic messy hairstyle, focused green eyes, dark futuristic military jacket, serious humble expression, grey single-strap sling bag, dark green and grey tones, black tones, dark tones, subtle scifi features, tropical background, amber lighting, deep shadows, ((graphic novel sketch, black sketch lines, low-key cinematic lighting, thick ink outlines, digital oil painting, pallette knife painting, posterized, cel shading, vector, tenebrism, bold brush strokes, subtle colors, subtle lighting))

((Signature, out of frame, hanging on wall, (white bars), deformed face, extra limbs, text, cartoon, poorly drawn hands, high contrast, poorly drawn eyes, bad eyes, ugly, poorly drawn face, poorly drawn hands, bad proportions, plastic, American flag, long neck, large lips, anime, gloves, ((large head, oversized head)), chin dimple, (((long neck))), facial hair, wrinkly clothes, shiny skin, mustache, beard, old, neon, ((gloves, popped up collar, oversized collar)), black and white, glossy, shiny, bright, white lighting, cross-eyed, brown coat, tan coat, puffy coat))