2_heads 2_penises absurd_res alpha_channel anthro assimilation biped conjoined duo erection genitals hi_res human humanoid_genitalia humanoid_penis latex lizard male male/male mammal merging multi_arm multi_genitalia multi_head multi_limb multi_penis multiple_images open_mouth penis rei98 reptile scalie sharp_teeth simple_background solo standing stuck_together teeth tongue tongue_out transformation transparent_background