Rule 34 Dev - 1boy alien alien_genitalia alien_penis antennae anus asshole blush boots butthole collarbone color elbow_gloves embarrassed femboy flat_colors flustered gloves gray_stockings green_skin grey_stockings grey_thighhighs heart_eyes invader_zim irken male male_only mouth_open nickelodeon nipples no_pants pak pink_background pink_eyes simple_background sitting sitting_on_floor smooth_skin solo source_request spread_legs stockings teeth thigh_highs thighhighs three_fingers tongue transparent_clothing zim|4213346872