Not Katniss Everdeen, not Mystique, just J-Law. Because why would you want to spend what could be your final days, weeks or months with anyone even half as entertaining as her? Plus, just for kicks, she's wake up every morning like:
And then she would laugh, and then I would laugh. We would all just laugh!
What post apocalyptic baddie would be able to make it past a Redactum Skullus head-shrinking curse or Evanesco vanishing curse? I mean, the big papa of spells, Avada Kedavra, would do it too, but that wouldn't be half as fun as an Expecto Patronum here and there.
Paul Blart, Mall Cop
Because Kevin James would be a hoot to hang with in the end, telling jokes and what not. And I hate to be mean, but if this happened to be the zombie apocalypse we're talking about here, if you were getting chased by a zombie horde, and you twist an ankle, and one of you hasn't followed rule #1, well...
Cardio, man! If we had to, we'd sacrifice Paul. Plus, that leaves me with more Emmaaaaaerrrrmione and Jennifer to myself!
Until we ran into Rick Grimes on a deserted road somewhere, then he'd shoot me for the wimminz.