Actually, what Tool does is spell the title track for their albums differently than the album itself. I checked -- 'Lateralis' is correct, if you're intending to be named after the song :).
Also: Please post name change requests in the Lucasforums Help/Feedback Center (
http://www.lucasforums.com/forumdisplay.php?s=&forumid=217) from now on, and make sure to browse the rules there. It makes my job a bit easier. Plus, if I'm not around, other admins will see your request and take care of it.