- “Spell grows Rhu-Barbs.”
- —Game description
In Swap Force, Undead Spell Punks have the ability to summon skeletal Trolls, and the Spell Punks have to be defeated in order for the undead trolls to stop spawning. Also, they can shoot out skulls to damage nearby Skylanders.
- Undead Spell Punks are replaced by Trogmanders in Giants.
- A scarlet-colored Spell Punk of an unknown Element is usually seen assisting Undead Spell Punks in Skylanders: Spyro's Adventure. It summons Rhu-Babies until it's defeated.