When a special little snowflake wants to describe themselves in an extra special way, and when being a dragon, a plant, or some invented gender just isn’t enough, there is always the visual electro-magnetic spectrum to identify with, complete with extra special pronouns:
People identified by a color of the electromagnetic spectrum?
Friend computer approves…

Pictured: Commie Mutant Traitors
…or not.
Man, I used to love Paranoia.