FURVERT!

2_heads anthro anthro_to_feral big_muscles build-a-wuff canid canid_demon canine canis cerberus conjoined demon duo european_mythology feral feral_transformation genitals greek_mythology hellhound huge_muscles humanoid_genitalia humanoid_penis kissing male male/male mammal merging multi_head multi_tail multifur multiple_images muscular mythological_canine mythological_creature mythology penis solo tail transformation transformation_sequence wolf