Undead wear the same clothing as Robert Jacob, a brown jacket, a striped tie, and blue jeans, which has brought up a controversy over whether the zombies are actually reanimated bodies of previous users or not. Zombies also have rock grey skin and dark grey hair. In addition, it is possible for zombies to spawn holding a chicken leg or a shovel.
- In Venturian Battle, there is an informing document about them called "DYK Zombies". The document includes the following information:
- Zombies watch so much TV that they have become masters of trivia... but nobody ever asks them to share any of it.
- Zombies love Halloween. Nobody runs away from them, and everybody thinks they have the best costume.
- The only thing zombies are afraid of is MSG. It horrifies them!