Viewing and Changing your Account Information
 

Your user account information can be managed by clicking your Username in the top left side (next to Control Panel button) of your site and clicking Edit Profile.

You can change your email address or password at any time in Edit Profile. 
After you click Save, the changes will take effect immediately.

Viewing Sites
 

You can also see all the websites you created (sites you own) as well as the websites you are a member of in the My Sites section.

Delete Site Request
 

For more information visit the Deleting a Site documentation page.