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4_fingers 4_toes 5_fingers abs absurd_res anthro basic_sequence belt biceps big_muscles biped boots bottomwear circumcised claws clothed clothed_to_nude clothing clothing_loss dewclaw digitigrade dinosaur ejaculation erection feet fingers fist five_frame_image five_frame_sequence footwear full-length_portrait fully_clothed fully_clothed_to_nude genitals green_background greyscale growth hair hi_res huge_muscles human human_to_anthro humanoid_genitalia humanoid_penis injection linear_sequence male mammal monochrome monotone_background multi_frame_sequence muscle_growth muscular muscular_anthro muscular_male nude open_mouth orgasm_from_transformation pants pecs penis plantigrade portrait prehistoric_species reptile saurischian scalie sequence shoes short_hair simple_background sleeveless_shirt solo species_transformation stagor55 standing tail teeth theropod thick_tail toe_claws toes torn_clothing transformation transformation_by_substance transformation_mechanism transformation_sequence transformation_through_injection tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex vein veiny_penis