No, they definitely count as theories, and they are really good! Isn't Umber a shade, meaning that he might be someone relative? What about Trix? Sophie could definitley manifest as a charger though personally I'm rooting for a new mysterious ability :)
That was actually an automatic message thing but this isnt, Welcome to the wiki! My name is Eva and I'm an admin here so feel free to leave me a message on my message wall if you have any questions or concerns! Enjoy your time here!