Because you like Natasha Romanoff / Black Widow in Marvel Cinematic Universe
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
A daring hacker, Trinity is one of the few rebels who escaped the Matrix, a simulation in which most of humanity is enslaved. See them in The Matrix.
Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.
Artemis Fowl understands the way of the world. If he wins, he's a prodigy. If he loses, then he's crazy. That is how history is written. See them in Artemis Fowl.
Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.
Most of the world has been wiped out from The Beast. And when The Beast comes, Cole MacGrath will be ready. See them in inFAMOUS.
A fearless scientist, Jane won't let a mere shipwreck stop her. See them in Tarzan.
This wizard is never late, nor is he early. Gandalf arrives precisely when he means to. See them in The Lord of the Rings.
Kate Beckett is a no-nonsense policewoman with a nerdy side. See them in Castle.
Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.
A speed-loving daredevil who lives on the edge, Sonic is as brave as he is cocky. See them in Sonic the Hedgehog.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.