3d_(artwork)
alpha_channel
ambiguous_gender
digital_media_(artwork)
feral
full-length_portrait
koopa
mario_bros
new_super_mario_bros_2
nintendo
official_art
portrait
red_shell
scalie
shell
simple_background
solo
spiked_shell
spikes
spikes_(anatomy)
spiny
transparent_background
unknown_artist
yellow_body
yellow_skin
