Let me see if I can help you. An analogy is a reference to something, so probably not that one. An antithesis is an opposite, so it could be this. A parallelism means they are similar, so probably not this one. An analogy is a comparison of things to show that they are similar, so probably not this one either.
I believe he perceives his experience as an unpleasant one and wants to make a movie called MONSTER based on his experience and he got the name MONSTER because it's what the prosecutor called him.