The "Electric Skulls" are a race of silicon-based lifeforms.
According to Pearl, they had been invading the Crystal Palace.
- Crystals in place of their eyes, and on the center of their forehead.
- Pink or red hair.
- Turquoise head.
- Markings around the eyes.
- Maniacal Laughs.
- Spiked collars on its hair.
- Senses holes in the fabric of time.
- Charging itself, and can discharge enemies.
- Can move its hair freely.
- The Electric Skulls seem to be at least partially inspired by Mexican sugar skulls used during the "Día de los Muertos," or Day of the Dead.
- Their weakness in combat appears to be removal of their hair pieces.
- The Electric Skulls are the first antagonists in the entire series, albeit minor.
- Episode 1: "Pilot" (First appearance)