User blog comment:Repeater1947/How do you change the wiki favicon?/@comment-4687291-20120420114455

You have to actually make it a .ico file, whic means you have to use a Favicon Generator website/program. It can only be 16x16px, so it's hard to make a good looking Favicon. Oh, and Wikia won't recognise a Favicon that has multiple frames, either. So no animated Favicons.