From Loonipedia

var admins = ["Rarityfan"],
    i = 0;
$(function() {
     for (; i < admins.length; i++) {
          if (new RegExp(admins[i] + "$").test(wgPageName)) $("<span class='tag'>Asylum Head</span>").insertAfter($("hgroup h2"));
     }
});

var chat moderators = ["Rarityfan"],
    i = 0;
$(function() {
     for (; i < chat moderators.length; i++) {
          if (new RegExp(chat moderators[i] + "$").test(wgPageName)) $("<span class='tag'>Security Guard</span>").insertAfter($("hgroup h2"));
     }
});