rule 34 2022 abs anthro balls bara big balls big muscles big penis black background bowser bowser day claws collaboration dkase erection eyebrows fire foreskin furniture genitals hair horn humanoid genitalia humanoid penis juiceps koopa looking at viewer male male focus male only mario series muscular muscular anthro muscular male navel nintendo nipples non mammal balls non mammal nipples nude on sofa pecs penis scalie shell simple background sitting sofa solo spiked shell spikes spikes anatomy teeth thick thighs video games 6488989