Because you like Ofelia in Pan's Labryinth
Sometimes being a supportive girlfriend like Ophelia doesn't work out too well. See them in Hamlet.
Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.
A poised, stately man-out-of-time, Ichabod Crane typically faces the modern world with wry quip. See them in Sleepy Hollow.
Kubo is a storyteller at heart who's tapping into his sense of adventure. See them in Kubo and the Two Strings.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
A smart, spunky, and incredibly skilled gamer, Art3mis has a revolutionary spirit. See them in Ready Player One.
Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.