Shufflers or walkers are slow moving zombies. They generally, have a small vocabulary consisting of "Brains" which is often said slow, and considered "creepy" by some. It was originally said that the only way to kill them was to destroy the brain, but according to some newer sources mostly video games, they can be shot to the point where they can no longer move or are dead.
In some movies you tend to see some shufflers with similar weaknesses to vampires, such as garlic and the ability to be "killed" by a metal or wooden steak or sometimes spear through the heart. But without the ability to transform into or control bats.