Rule 34 Dev - angry anthro canid canine canis claws danny_phantom erection ethancostas fur genitals green_claws green_nipples green_penis hi_res knot male male/male male_only mammal muscular muscular_anthro muscular_male nickelodeon nipples nude penis solo teeth teeth_showing were werecanid werecanine werewolf wolf wulf_(danny_phantom)|7670509280