There are currently no widgets assigned to the right-sidebar, place some!
Once you add widgets to this sidebar, this default information will go away.
This theme also uses the WordPress 3.0 Menu system. You probably see the default stuff you have in the menubar. Go to Appearance -> Menu in the
wp-admin (dashboard) and create a new menu.
Tadashi’s introduction works well. I would honestly love to see this one drawn with his current design.
Actually, that probably is as good a way as any to meet girls. The trick here is to recognize when one is being too honest. ^_^