Hey, so I redownloaded Rejuv v12 to double check if my version is up to date and I still found the same character sprites with the same name in the same location. Since you say you can see the sprites in your game, they should be in your game folder. Try searching again, but without adding ".png' in your search, just to see if that helps. Alternatively, you can scroll to the files that begin with the letter t in the Character folder and look there.
And here are the alternatives you asked for: