Mythogender

Mythogender (also known as Mythologically Aligned or Cryptidgender) is a term most frequently used by gender non-conforming people to describe ones desire to present as or be a mythological being or cryptid. This term is used broadly because it really describes the desire to be an entity that is anything non-existent or a being other than human. it is also used to describe any genders that are related to mythology or religious beliefs that are often categorized as mythology.

Flag
The mythogender flag was coined by FANDOM user Transgender Cat on December 28th, 2020. It has no confirmed meaning.

Resources
https://lgbta.wikia.org/f/p/4400000000000070552