The origins of the Theban alphabet are lost in the mists of time. It is often called "The Runes of Honorius" after its reputed inventor, Honorius of Thebes. It is also known as the 'Witch's Alphabet'.
Information about the Theban alphabet
http://en.wikipedia.org/wiki/Theban_alphabet
http://www.coven-of-cythrawl.com/Theban_script.htm
http://www.purplehell.com/riddletools/theban.htm
http://wicca.timerift.net/theban.shtml
Theban fonts
http://www.1001fonts.com/font_details.html?font_id=3254
http://www.bohemianalchemist.com/theban.htm
http://www.discoverfonts.com/font/theban.aspx
Alphabet of the Magi, Angelic, Daggers, Enochian, Malachim, Passing the River, Theban