What is Aavegotchi GHST?

As a cryptocurrency enthusiast, I'm curious to learn more about the mysterious Aavegotchi GHST. Could you elaborate on what it is? Specifically, is it a token, a protocol, or both? What is its underlying purpose and functionality within the Aavegotchi ecosystem? Additionally, how does it enable users to interact with the platform and its various features? Lastly, what are the potential benefits or use cases of holding Aavegotchi GHST? I'm eager to gain a deeper understanding of this intriguing cryptocurrency.