Considered to be a "brilliant" programmer with a strong C++ background - Most people would call you crazy if you attempted to put a 6 billion dollar prize behind an internet facing application without memory safety
Author of crypto/privacy software - E4M and possibly TrueCrypt written in C++
Experience hiding identity both online and off
Millionaire - Satoshi never converted any of his btc fortune
Anti-authoritarian
Understands the benefits of digital currency - Has millions of dollars stacked in boxes
Understands the payment problem - Illegal prescription drug marketplaces
Has an interest in internet gambling software - The first version of btc actually had some code for a marketplace and poker: http://imgur.com/a/NPiIs
Multifocal - Satoshi vanished around April 23 2011 to "move on to other things"
South African spelling/phrasing - analyse, colour, defence, bloody hard