Geralt code not exist, fact that he bound between two forces forced to be deciding factor is classical interpretation of Fool. Much older than tarot cards, back to Ancient Greeks, Celts, many other cultures and civilisations.
While it has been a while, this thread hasn't left my mind. With TW3 out, everyone's playing (more or less), and there seems to be a large drop in fan-art being released online. Let's keep this in the back of our minds for a later time, say, a few weeks, and re-visit the idea.