Because you like Hal 9000 in 2001: A Space Odyssey
Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Imperator Furiosa is a badass patriarchy toppler. She'll do anything to secure a better, freer future for the women she cares for. See them in Mad Max: Fury Road.
Django was once a slave. Now that he has a taste of freedom, he understandably wants a full meal. See them in Django Unchained.
More than any of her friends, Fluttershy is willing to see the best in everyone, a trait that has won over many enemies. See them in My Little Pony.
He may seem like a charismatic leader, but Bellamy also has a ruthless, self-serving streak See them in The 100.
Quentin Coldwater has always suspected there was something different about him, and now he has the chance to prove it. See them in The Magicians.
Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.