Nobody's ever tried to copy my characters before, but I'm not saying they never will. I honestly doubt anybody has had the same idea with a lot of my characters, but for a few, they could.
Like Bone Empress, somebody probably has one like her. Snowfall too (255, 255, 255. How original, Ellie.) But ones like Kelsey:
I couldn't see someone having. Long story short, I doubt that people will try to copy me in the future, but there's always a possibility.