Because you like The Doctor in Star Trek Voyager
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
Cutting ties with her con-artist friends, Sarah Manning is creating a better life for her daughter by taking on the identity of the deceased Beth. See them in Orphan Black.
Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.
Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.
Albus Dumbledore oversees the most unsafe school in recorded history, with Dementors and giant arachnids run amok. See them in Harry Potter Series.
Belle has ready every storybook in town, and she's slowly realizing that life is no fairytale. See them in Beauty and the Beast.
A house elf, Dobby is loyal, compassionate, and yearning for freedom. See them in Harry Potter Series.
When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.
Napoleon Dynamite loves tater tots, mythical beasts, and reveling in his awkwardness. See them in Napoleon Dynamite.
Remy could be a five star Michelin chef, the only problem is that he is quite literally a rat. See them in Ratatouille.