Because you like Alan Grant in Jurassic Park

Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

Tiffany Maxwell wishes people would stop reminding her about her dead husband. See them in Silver Linings Playbook.

Leslie Knope can accomplish anything, literally anything, with a little grit and help from her office. See them in Parks and Recreation.

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

Larger than life and wealthy beyond measure, Willy Wonka is more than a titan in the sweets industry; he is an arbiter of taste. See them in Charlie and the Chocolate Factory.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.

Convinced that the world is conspiring against him, Tatsuhiro's reconciled himself to his fate as a shut-in. See them in Welcome to the NHK.