Matt Heck is 'The Man in the Box.' So you think you're bitter. You think you're frustrated. Matt Heck is the walking embodiment of bitterness and frustration. He's caffeine and anger on two legs. A man who's life is the movie office space. So if you're sick of the boss, tired of the bullshit, and ready to chuck it all out the window, you should definitely check out Matt Heck. A good friend and a funny man.