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aged_up ahoge alien alien_humanoid black_hair blush boots clothed clothing comic dialogue dib_membrane digital_media_(artwork)duo english_text eyewear footwear glasses gloves hair handwear hi_res human humanoid inimoose invader_zim irken male mammal monochrome nickelodeon not_furry one_eye_closed open_mouth round_glasses sharp_teeth shoes smile speech_bubble teeth text topwear zim_(invader_zim)