rule 34 anthro anus balls biceps body hair bowser bracelet chest hair claws collar erection facial hair forge artist gay hair horn humanoid penis jewelry koopa looking at viewer male male only mario series muscular muscular male nintendo nipples nude partially retracted foreskin pecs penis pose presenting pubes red hair reptile scalie shell simple background sitting solo spiked shell spread legs spreading super mario bros teeth turtle uncut vein veiny penis video games white background yellow eyes 2185958