Because you like Yuki Cross in Vampire Knight
Django was once a slave. Now that he has a taste of freedom, he understandably wants a full meal. See them in Django Unchained.
A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.
Bookish and socially anxious, Ruby Roundhouse is a teenager turned action heroine. See them in Jumanji.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.
Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.
The star of every school production since kindergarten and the most popular girl of East High, Sharpay Evans usually gets her way. See them in High School Musical.
This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.