Dr. McDead is an evil walrus villian that only appears in Agent Wallree and Ye Olde Zombie Retirement Home, when he takes over the retirement home and uses the Zombie Diamond to turn all of the hags into zombies that obey his every command. He became evil when his uncle, Winston McDead, led him to a life of crime. At the end of the book he is chased out of town and so far he hasn't returned.
- "Zombies, attack!"
- "I'm going to take over the world with zombies!"
- It's rumored that Dr. McDead will return in the next movie.