rule 34 2019 anthro balls black body black glans black tail cetacean dated delphinoid erection famir artist foreskin front view genitals glans grin hand on head humanoid genitalia humanoid penis looking at viewer male mammal marine muscular muscular anthro muscular male narrowed eyes nude oceanic dolphin orca outside partially submerged legs penis signature smile solo standing striped arms striped legs toothed whale vein veiny penis waterfall white balls white body white penis 6705739