Zombie Puffles are ravenous creatures that are almost impossible to stop and if they bite a penguin the pengiun will become a zombie penguin. They used to be puffles. Another way is aging. If the Grim Reapuff fails to kill a puffle, it will suffer extreme pain and become a zombie. Like the Starve Puffle,it will try to eat anything,but it is incurable. These puffles are few,since Grim Reapuff is competent in his job.However, their were a load of Zombie Puffles before he was created. They are locked up in a cell in the Department of Mysteries.