Electric Skulls

The "Electric Skulls" are a race of silicon-based lifeforms.

"Pilot"
According to Pearl, they had been invading the Crystal Palace.

Biology
Anatomy

The Electric Skulls resemble turquoise skulls with crystals on their eyes and forehead, yellow markings around their eyes, and reddish-pink hair with spiked collars.

Abilities

The Electric Skulls are able to fly, albeit without any visible means of propulsion.

The Electric Skulls have prehensile hair that can be used to either attack or ensnare opponents, and are able to absorb and discharge electricity.

Trivia

 * 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.

Appearances

 * Episode 1: "Pilot"