FURVERT!

age_difference alien alien_humanoid almighty_tallest_purple almighty_tallest_red anal anal_penetration animal_genitalia antennae_(anatomy)balls bodily_fluids candys_killer clothing cum erection fellatio genital_fluids genitals green_body green_skin group group_sex humanoid invader_zim irken male male/male male_penetrated male_penetrating male_penetrating_male mammal nickelodeon not_furry oral oral_penetration orgy penetration penile penis sex the_almighty_tallest tongue vein zim_(invader_zim)