Because you like Christopher John Francis Boone in The Curious Incident of the Dog in the Night-Time
Maria Rambeau is a tough-as-nails Air Force pilot who is also a loving single mom. See them in Marvel Cinematic Universe.
Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.
Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Quinn Fabray can become a monster when there is something she wants. See them in Glee.
Spencer Reid's super-smarts helps catch killers, and his social awkwardness endears co-workers. See them in Criminal Minds.
An agile and powerful swordswoman, Saber is a dignified warrior down to her bones. See them in Fate/Stay Night.
Stoic, cynical, and independent, Homura Akemi is an alluring enigma. See them in Puella Magi Madoka Magica.
Princess Fiona is a damsel who doesn't need saving, but she's cursed with an embarrassing secret. See them in Shrek.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.