Inkblot is a free theme for WordPress created by Mike.
Elegant, fully responsive, highly customizable Webcomic-ready theme named in honor of Rorschach from the Watchmen graphic novel.
(Description "Inkblot" Theme from wordpress.org)
You can download Inkblot for free via the provided download link and include it into your themes folder of your WordPress installation. Also you can directly search for it in the WordPress admin interface in the themes section and install and activate it from there.
More information, screenshots and reviews of Inkblot Theme can be found here.