You cannot remove your account, due to “certain limitations”. However, there still is a lot you *can* do, which is listed on this site: http://help.wikia.com/wiki/Help:Closing_an_account – so Wikia gets a grey listing here.
To contact them, you can use this form: http://community.wikia.com/wiki/Special:Contact/general
URLS:
http://wikia.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.