Watch: Everything you need to know about Romero Zombies

Zombies.

We talk about them a lot. They're in our books, our comics, our films and our TV shows almost constantly. Whether you're watching them for the gore or for the intrigue or for what the shambling horde might represent, you're definitely watching. Just look at the success of The Walking Dead, easily one of the most popular shows of the last five years.

So where does our love of zombies come from? Why do they look and act the way they do? Well, you can mostly thank George Romero, writer and director of Night of the Living Dead (1968).

Romero's zombies are more than just, well, zombies. They're social commentary on many levels. And from their inception through to the 21st century, they've come to represent an awful lot. And with that in mind, here is a handy video to help you understand what Romero zombies are really all about ...

More from around the web