rule 34 2023 abs aged up anthro balls bandana barazoku biceps big balls big muscles big penis black background bodily fluids bowser jr bracelet claws deltoids erection eyebrows fire flaming eyebrows flaming hair flaming pubes foreskin genital fluids genitals glistening glistening body hair hi res horn humanoid genitalia humanoid penis jewelry kerchief koopa long tongue looking at viewer male male only mario series motion lines muscular muscular anthro muscular male navel nintendo nipples non mammal balls non mammal nipples nude obliques pecs penis poppin precum pseudo hair pubes saggy balls scalie serratus shell signature simple background solo sparkles spiked shell spikes spikes anatomy standing super mario bros wonder throbbing throbbing balls throbbing penis tongue tongue out vein 8126928