For threads 6.5 you really only needed 777 for the
languages
templates
content islands
includes
stylesheets
sessions (if applicable)
directories (and files within), 664 (or similar) is fine elsewhere. If you don't intend to use the online editors and have the settings where you like, then I believe only the sessions folder needs to have the higher settings.
As for your name, chaos seems to be a popular name
Someone registered it back in 2000, a couple years prior to your reg in 2002. Let us know what you'd prefer and we'll get it for you
And welcome back
