You cannot delete your profile. Heck, you cannot even change your email address!
Use the contact form to complain: http://www.inc.com/about/contact_us.html
And tell them AccountKiller sent you!
URLS:
http://inc.com
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.