Chirru
From Wookieepedia, the Star Wars wiki.
- "Black Sun is useful, but it is also like a chirru: cut off its head and another will appear to replace it."
- ―Palpatine to Darth Vader[src]
A chirru was a creature with the natural ability to regrow its own head if it was decapitated. It is unknown whether such creatures existed, or were mythical.
[edit] Trivia
The regenerative cranial capabilities of the chirru was more than likely inspired by the Lernaean Hydra of Greek mythology, which would regenerate two heads instead of one for each head lopped off by Hercules.
