Because you like Vizzini in The Princess Bride
Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.
A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.
Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.
Born into luxury, Sybil Crawley wants to find real purpose and meaning in her privileged life. See them in Downton Abbey.
Jenny Flint is a devoted wife and daring crime fighter, which is pretty unconventional for a Victorian maid. See them in Doctor Who.
Claudia may look young, but she is a wise and philosophical vampire, knowing of the world and the darker nature of man. See them in Interview with the Vampire: The Vampire Chronicles.
You couldn't ask for a better, or weirder, daughter like Cassie. See them in Marvel Cinematic Universe.
Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.
Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.
In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.