Rule 34 Dev - 1boy 1girl a.m annoyed bad_source black_hair blood blood_on_clothes blood_on_face blood_on_hands crossover english_text evil_grin evil_smile glados glasses grin i_have_no_mouth_and_i_must_scream kwh6762 lab_coat messy_hair necktie opaque_glasses personification portal_(series) red_necktie smile white_hair|17995029390