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aged_up ahoge alien alien_humanoid antennae_(anatomy)black_hair bottomwear clothed clothing comic dialogue dib_membrane digital_media_(artwork)duo english_text eyewear glasses gloves hair handwear headpat hi_res human humanoid inimoose invader_zim irken male mammal monochrome nickelodeon not_furry round_glasses sharp_teeth simple_background speech_bubble teeth text topwear wig zim_(invader_zim)