mato (mozu hayanie), black hat (villainous), dr. flug, villainous, commentary request, 2boys, artist name, bag, bag on head, black coat, black hat, black necktie, buttons, coat, collared shirt, colored skin, colored teeth, full body, goggles, green teeth, grey skin, hat, lab coat, male focus, monocle, multiple boys, multiple views, necktie, open clothes, open coat, paper bag, red shirt, red shoes, sharp teeth, shirt, shoes, standing, sweat, teeth, tongue, tongue out, top hat, upper body