Poll: Face-Off: "AFI's 100 Years..." — Non-Human Heroes

AFI's 100 Years... 100 Heroes and Villains is a list of the one-hundred greatest screen characters (fifty each in the hero and villain categories) as chosen by the American Film Institute. Out of the 50 Heroes listed, only three are non-human. Which of these greatest non-human heroes is your favorite? After voting, you may discuss the poll here. Also vote for: "AFI's 100 Years..." — Non-Human Villains