Ratgender

Ratgender is a faunagender defined as "a gender that is small, fuzzy (or sometimes hairless), and energetic, much resembling a rat or any other rodent that fits the description." In some cases, it may be used by kingender individuals, but it is not exclusive to them.

Demirat
Demirat, also known as demi-rat, is a gender identity in which one is partially, but not fully, ratgender. One may or may not identify as another gender in addition to being partially ratgender. The other part of one's gender can be any gender or combination of genders, including a lack of gender. Demirat people may also identify as non-binary.

History
Ratgender was coined on December 17, 2019 by tumblr user xelinitye.

Flag
The flag was coined on December 17, 2019 by tumblr user xelinitye. It has no confirmed meaning.

Another flag was created on March 2nd, 2021 by tumblr blog austins-pride-flags.

Resources
http://archive.is/ciodP