The term comes from Haitian folklore, where a zombie is a dead body reanimated through various methods, most commonly magic. ... Zombieshave a complex literary heritage, with antecedents ranging from Richard Matheson and H. P. Lovecraft to Mary Shelley's Frankenstein drawing on European folklore of the undead.A zombie, according to pop culture and folklore, is usually either a reawakened corpse with a ravenous appetite or someone bitten by another zombie infected with a “zombie virus.”
Zombies are usually portrayed as strong but robotic beings with rotting flesh. Their only mission is to feed. They typically don’t have conversations (although some may grunt a little).