Larrikin: /ˈlarɪkɪn/ (Australian) "a mischievous young person, an uncultivated, rowdy but good hearted person", "a person who acts with apparent disregard for social or political conventions".
Don Quixote: The Ingenious Nobleman Sir Quixote of La Mancha. A fighter for noble, but lost causes (plus a few windmills).
