Zombies were a transformation in Club Penguin that appeared at the Halloween Party 2013 and the Halloween Party 2016. At the Halloween Party 2013, Members were able to transform into them by eating certain kinds of Spectral Sweets, and at the Halloween Party 2016 members were able to transform into them by using the Monster Maker 3000.
- Dance: The player vanishes and appears in the ground, cracking it and releasing blue ghosts.
- Wave: Depending on the Spectral Sweet consumed, the zombie will dance in a certain manner for a short time.
- The Blue Zombie enlarges its own head after performing its waving action for too long.