Because you like Stephen Dedalus in A Portrait of the Artist as a Young Man
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.
Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.
It is a truth universally acknowledged that Elizabeth Bennet doesn't suffer fools or prideful men. See them in Pride & Prejudice.
An undercover DEA agent, Max Payne is too focused on avenging the past to plan for the future. See them in Max Payne.
Luis is a deliverer of silver linings and long-winded stories. See them in Marvel Cinematic Universe.
If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.
Blunt, petty, neurotic, Larry David can never live and let live. See them in Curb Your Enthusiasm.
An adventurous dreamer, George Bailey always winds up putting other people's dreams first. See them in It's A Wonderful Life.