Type your character's name into the search box, press go, and then click "create an article with this name." Then you can make your page. I suggest clicking "edit" on someone else's page, and just replacing their stuff with yours, then PUTTING IT ON YOUR OWN PAGE instead of actually changing their page. Pick someone with a nice bio page to rip off, though. Not to toot my own horn, but I think if you copy mine, you'll have all the formatting stuff you want and you can just edit your stuff in.