Thomas Neo Anderson
Maybe both. Also contemplate the overwhelming possibilty that you might die.
No. You could never really die as a result of killer zombies, because they don't exist. The movie is a metaphor for the fact that girlfriends are out to crush your economic potential, and your will to live. It is only after you come to this realization that you can become an unstoppable killing machine.
The underlying theme is that the goal in life is to live for oneself. Kind of like an uncontrollable half crocodile, half gorrilla.