Because you like Jane Hawking in The Theory of Everything

Maka is determined to collect and purify 99 Kishin eggs– human souls that have been corrupted by evil– and one witch soul. See them in Soul Eater.

Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.