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alternate_species armor beard brown_hair crossover crowbar cutie_mark equid equine eyewear facial_hair feral feralized friendship_is_magic glasses gordon_freeman gordon_freemane green_eyes hair half-life hasbro holding_crowbar horse male mammal mustache my_little_pony ponification pony science_fiction simple_background solo style_emulation tail tools valve valve_corporation vial_(artist)white_background