I was inspired by Colin Farrell in the fact that he's Irish and has freckles but with black hair. I'm a bunch of different things, Irish, Polish, Native American, and French, but I wanted to tap into that Irish side and be freckle-y with black hair, so that's what I did.
Whatever the practical value of the Walden experiment may be, there is no question that the book is one of the most vital and pithy ever written.