Because you like Rory Williams in Doctor Who
Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.
For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Beloved by all, Lucy is the most corageous Pevensie. See them in The Chronicles of Narnia.
James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..
With an abundant supply of alcohol, nice restaurants, and free will, Crowley is a demon who is thoroughly enjoying his time on Earth. See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.
With her mastery of martial arts and her prodigious building skills, Wyldstyle projects an air of invincibility. But she's not bulletproof. See them in The Lego Movie.
Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.
A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.
Riley Blue is trying to outrun her bad luck, but she might not be fast enough. See them in Sense8.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.