Because you like Arizona Robbins in Grey's Anatomy

Some say to survive in Underland you need to be as mad as a hatter–which, luckily, he is. See them in Alice in Wonderland.

He might look like a pretty boy, but resourceful Leon Scott Kennedy is the man to have at your side during a crisis. See them in Resident Evil Series.

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..

The main priority for Nagisa Hazuki is making sure that everyone has fun. See them in Free! Iwatobi Swim Club.

Ratchet is a shoot-first, ask-questions-later, and then-shoot-again kind of lombax. See them in Ratchet & Clank.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

Stuck on a lifeboat with zoo animals without food and fresh water, Pi Patel uses his intelligence to face the greatest test of all: survival. See them in Life of Pi.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.