anthro
black_and_white
darius_koopa_(character)
erection
facial_hair
genitals
goatee
hi_res
knot
koopa
male
mario_bros
monochrome
muscular
muscular_anthro
muscular_male
nintendo
nude
pen_(artwork)
penis
scalie
simple_background
solo
tail
traditional_media_(artwork)
utx-shapeshifter
white_background
