Because you like Donkey in Shrek
Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.
Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.
Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.
A hardboiled 1940s detective, Cole Phelps is haunted by his past in World War II. See them in L.A. Noire.
Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.
Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.
Scott Pilgrim's superhero suit is just a video game t-shirt and sweatbands. But this slacker is brave enough to fight all his girlfriend's evil exes. See them in Scott Pilgrim vs. the World.
Ariel knows there's a whole other world above the sea, but exploring it comes at a big price. See them in The Little Mermaid.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.
When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.
An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.