public static function helperDisplayNameHtml(array $user, $username = '', $rich = false, array $attributes = array())
 {
     $userFieldModel = XenForo_Model::create('XenForo_Model_UserField');
     $values = $userFieldModel->getUserFieldValues($user['user_id']);
     $DisplayName = $values['AlexusDisplayName'];
     if ($DisplayName != "") {
         $user['username'] = $DisplayName;
     }
     return XenForo_Template_Helper_Core::helperUserNameHtml($user, $username, $rich, $attributes);
 }