character spawning

As title - I looked through all my people and no-one has that name HOWEVER one had it before I edited it. It's tanking the FPS of my scene and making it very frustrating - does anyone have any fixes?

the camera controls in desktop mode are odd but i can get around that ... but when all i want to do is add a character i downloaded into a scene the process is insanely obtuse when all it should be is: select "add person" and then see the entire list of potential persons i could add into the...