Because you like Christopher John Francis Boone in The Curious Incident of the Dog in the Night-Time
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
Daria Morgendorffer is so defensive that she actively works to make people dislike her so that she don't feel bad when they do. See them in Daria.
An undercover DEA agent, Max Payne is too focused on avenging the past to plan for the future. See them in Max Payne.
Jessica Davis is the girl that guys like to like. See them in Thirteen Reasons Why .
Maka is determined to collect and purify 99 Kishin eggs– human souls that have been corrupted by evil– and one witch soul. See them in Soul Eater.
Paris Geller is a newspaper editor, class president, and headed for Harvard. See them in Gilmore Girls.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.
The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.
All it takes to change the course of history is the will of a single man called John Price. See them in Call of Duty Series.