Sliveird are bird-like creatures that appear in the Jirenko Rokokia! series. One appeared in the 67th episode: The Mutated Grey Bird.


  • Flight: Sliveird are fast fliers who are skilled at aerial movement.
  • Super Strength: Sliveird have super strength, and use their beaks to attack.


Sliveird are large bird-like creatures with silver fur, sharp claws, a tuft of hair, spread wings, and yellow beaks.


In The Mutated Grey Bird, a Sliveird who drunk toxic water appeared. After becoming large and mutated, it headed to terrorize Tokyo and it's former owner who abandoned it, Jika Mitosuko. It was killed later by Gikuta, who shot three arrows at it.

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