alien
alien_humanoid
antennae_(anatomy)
autumm_airwave
bust_portrait
fangs
featureless_chest
graphite_(artwork)
greyscale
humanoid
invader_zim
irken
looking_at_viewer
low_res
male
monochrome
nickelodeon
not_furry
nude
portrait
simple_background
smile
solo
teeth
traditional_media_(artwork)
white_background
