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2016 alien alien_humanoid angry backpack bandage black_hair bodily_fluids brown_eyes clothing comic confusion dialogue dib_membrane duo duo_focus ellipsis english_text exclamation_point eyes_closed eyewear fist glasses gloves group hair handwear happy hi_res human humanoid inside invader_zim irken laugh lier_magician male mammal naive nickelodeon open_mouth purple_eyes question_mark shaking sharp_teeth shirt shocked signature smile speech_bubble sweat teeth text topwear trembling trick zim_(invader_zim)