FURVERT!

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