Because you like Jean-Baptiste Grenouille in Perfume: The Story of a Murderer
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.
Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.
Once described as a "beautiful, tropical fish," Ann Perkins exudes warmth, and unlike most of her friends she also has common sense. See them in Parks and Recreation.
In constant agony, Ava Starr will do anything to give up the superpowers that are slowly killing her. See them in Marvel Cinematic Universe.
Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
Southern belle Scarlett O'Hara is a heart-melter who has no problem looking after herself. See them in Gone with the Wind.
The Little Prince is a childlike wonder personified in a tiny package. See them in The Little Prince.
Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.
Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.
White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.