Cuill - has a retarded robot that has been hammering my sites, skewing my stats and ignoring robots.txt
Shows up in noref_in as User Agent "Mozilla/5.0 (Twiceler-0.9
http://www.cuill.com/twiceler/robot.html)"
If others have this problem... below is the entry to block it using htaccess
ReWriteEngine On
RewriteCond %{HTTP_USER_AGENT} ^Mozilla/5(.*)Twiceler
RewriteRule ^.*$ - [F]