How to delete a Kik account?
The description of the service:
Kik Messenger, commonly called simply Kik, is a proprietary instant messenger software application (app) for mobile devices from the Canadian company Kik Interactive, available free of charge on iOS, Android, and Windows Phone operating systems.
Deletion complexity:
Not possible
You can only deactivate your account. There appears to be no way to permanently delete your account or data.