FURVERT!

4_fingers 4_toes abs animal_genitalia animal_penis anthro arody balls balls_expansion base_one_layout basic_sequence biceps big_balls big_muscles big_penis black_nose body_size_growth brown_body brown_fur canid canine canine_genitalia canine_penis canis claws domestic_dog dukey erection expansion fangs feet fingers four_frame_image four_frame_sequence fur genital_expansion genitals growth huge_muscles johnny_test_(series)knot linear_sequence male mammal muscle_growth muscular muscular_anthro muscular_male nipples nude one_row_layout open_mouth pecs penis pink_nipples pink_penis sequence sharp_teeth sheath simple_background size_transformation solo teeth thick_penis toes tongue transformation transformation_sequence