Because you like Meilin "Mei" Lee in Turning Red

This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

Fear is a ball of nerves and a voice of caution. See them in Inside Out.

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.

Quicksilver is a cocky speedster who could run around the world in the time it's taking you to read this. See them in Marvel Cinematic Universe.

When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.

Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.