Because you like Bellatrix Lestrange in Harry Potter Series
Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
An adventurous dreamer, George Bailey always winds up putting other people's dreams first. See them in It's A Wonderful Life.
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.
Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.
Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.
Headstrong and sarcastic, Max Mayfield is a force for awkward middle school boys to contend with. See them in Stranger Things.
Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.