To add a new category to a page you can click the Category button at the bottom of the page and type in the name you'd like your category to be called.
A full list of existing categories can be found at Special:Categories.
Pages in category "Browse"
“ Use the button below to make a new episode page for your creations Use the button below to make...
Page Creation Portal
“ (Character's Name) is a ("hero", "villain", or just "character") in (Character's Series). He...
Page Creation Portal/Character Layout