As gender stereotypes loosen up, it seems the concept itself is also getting redefined.
We have finally accepted that some people are not of the sex they were born with. Some don't have gender at all.
But it seems time has come to expand the gender umbrella.
After all, there are people who see themselves as aliens. For the most part of his life, Jareth Nebula was a female. At 29, he came out as a transsexual man. But unhappy with his new identity either, he realized that he has no gender at all. Instead, he's an alien.
Several body modifications helped him to finally find happiness.
Then there are people who believe they possess more elf characteristics than human. In fact, Kimberel Eventide sees herself not just as an elf, but a Pleiadian starseed too. She owns a wide collection of fake elf ears, dresses accordingly, and teaches others how to find their true elf selves.