I looks like Heavy Metal because the animation was produced by Heavy Metal - or Métal Herlant for you Frenchy faggaloos). Nonetheless, it's really good, I wish it was picked up. I may have to track down the comic now.
Okay, zombies die if you shoot them in the head. Everyone knows this. To ignore this is to invite disaster. Also this bullshit about zombies being people is the sort of bleeding heart, muliticultural bullshit I just can't get behind.
And the guy's last name is Nerd which is a weak-ass joke.