FURVERT!

anthro anus balls big_balls big_butt big_penis black_arms black_body black_ears black_legs black_tail butt canid canine canis disguise domestic_dog ears_up fingers genitals gir_(invader_zim)green_body grey_zipper hi_res huge_balls huge_butt huge_eyes huge_penis invader_zim kittycatz lines_on_body looking_at_viewer looking_back machine male mammal nickelodeon penis robot solo standing tail tongue tongue_out watermark zipper