 SPOILER: According to an interview with Phil LaMarr (qv), it was  he who came up with the idea of his character Marvin being shot in  the face. Marvin was originally supposed to be accidentally shot in  the throat and survive. Knowing that Marvin would die a slow,  painful death, Vincent and Jules decide that Marvin should be shot  in the head and put out of his misery. Knowing that this would make  the characters unlikeable, LaMarr took his idea to  Quentin Tarantino (qv) and he agreed to it.