Rule 34 Dev - alien alien_humanoid antennae_(anatomy) anus ass balls big_penis genitals green_eyes group hi_res huge_cock humanoid invader_zim irken male male/male nickelodeon open_mouth penis purple_eyes red_eyes size_difference small_dom_big_sub tallest_purple tallest_red tally_nihil_(artist) thick_thighs tongue tongue_out trio zim|8165148008