tyrion and Daenerys are the writers fav too but i think eddard stark can be a good role model if you look for one in the books. my personal fav is Jon Snow
eddard starke help usurp a kingdom, place a idiot for a king on thet hrone, let himself get kill by the illegitamate king and, had a child with another women while married, etc .
And did you mean Jon as your fav character or role model?