Because you like Napoleon Dynamite in Napoleon Dynamite
Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.
As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..
Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.
Self proclaimed, Fat Amy, likes horizontal running and mermaid dancing. Important skills, one could argue. See them in Pitch Perfect.
Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.
She's a survivor of gunshots, of being buried alive, nand of paralysis. And now Beatrix Kiddo is going to make her abusers pay. See them in Kill Bill vol. 1.
Abbi Abrams is the ultimate wingwoman because she wants nothing more than to have a good time for its own sake. See them in Broad City.
Celie Johnson says she's poor, black, and may even be ugly. But dear God she's here. See them in The Color Purple.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.