Shikyō

The are a group of yōkai led by the Beast King Kirinmaru.

Members

 * Tōkotsu (deceased since Episode 5)
 * Kyūki (deceased since Episode 8)
 * Konton (deceased since Episode 18)
 * Tōtetsu

Allies

 * Jakotsumaru (son of Tōkotsu; deceased since Episode 5)
 * Yotsume (deceased since Episode 8)
 * Riku
 * Fubuki (deceased since Episode 7)
 * Wind Lion (Shikigami)
 * Thunder Lion (Shikigami)
 * Joka (deceased since Episode 10)
 * Nikosen (deceased since Episode 12)
 * Zero (Kirinmaru's elder sister)
 * Homura (deceased since episode 14)
 * Blue Orge (Shikigami)

Rainbow Pearls
Only Tōkotsu and Kyūki were favored enough by their master that he bestowed the red and purple Pearls onto them for their own use. They later lost them when Moroha stole Tōkotsu's red Pearl once she found his headless body, and the purple one taken by Riku the Pirate once killing Kyūki with his blue Pearl's powers.

The orange Pearl is in the possession of its last member, Tōtetsu.

Trivia

 * In, the are four evil beasts that are the antithesis to the  (who have been previously represented in the series as the Shitōshin from fourth movie, as well as Hoshiyomi's four demon ninjas).
 * Tōtetsu is the only one who actually talks to his Rainbow Pearl.
 * Just like the Vexicons from Mysticons, they are four evil warriors who served under a villain wearing a mask.

Media Appearances
Quatre Perills