Apparently not everything is deleted from DeviantART, as stated on the deletion page, which is actually a ‘deactivation’ page.
Also, have a look at their little sniff sniff message in their FAQ: http://help.deviantart.com – it’s funny (and sad).
URLS:
http://www.deviantart.com
https://www.deviantart.com/settings/deactivation
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.