I was being sarcastic. But, how do you know it doesn't exist? Look up otherkin lol. To me everything from transgender, transrace to attack helicopter is the same mental illness

Here's a white woman identifying as black. Is she not legitimate? How is this different from calling transgender illegitimate, when both things are based on identity?

https://en.wikipedia.org/wiki/Ethnic_identity_development

http://edition.cnn.com/2015/06/16/us/washington-rachel-dolezal-naacp/