Twitcher

Twitchers are zombie like creatures. These can form from virus T-1120862B, in clones or humans. According to development notes, they take all muscle power from brains, heart, lungs, etc. And fuel the legs and arms for swift yet brutal attacks. No antidote has yet been recorded, and twitchers now roam the greater southern United States and Shift Regions of Canada. Not much is known about these creatures.