FURVERT!

4_toes abs angry anthro biceps big_muscles biped black-rat black_nose claws echidna eulipotyphlan featureless_crotch feet fist front_view full-length_portrait fur hair hedgehog hi_res knuckles_the_echidna long_hair looking_at_viewer male mammal monotreme muscular muscular_anthro muscular_male naturally_censored nude paws pecs plantigrade portrait purple_eyes raised_arm raised_fist raised_hand red_body red_fur sega solo sonic_the_hedgehog_(series)spikes standing tail teeth toe_claws toes transformation