So I switched from my Nin/Nin to my Kat/Regen, then back to my Nin/Nin
My bio page now has my Hero listed as a Kat/Nin, and my Villain listed as a Kat/Regen
I can probably fix this by fudging around and logging completely out of the game and out of HeroStats/Titan (I was running both, so it could be with either), but thought you should know