Because you like Tom Hansen in (500) Days of Summer

A speed-loving daredevil who lives on the edge, Sonic is as brave as he is cocky. See them in Sonic the Hedgehog.

Duck, girl, and legend: Ahiru's identities confuse even herself at times, and she often wonders which of them is truly her. See them in Princess Tutu.

Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.

The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

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

Phil Coulson is a deadly field agent with the demeanor of a friendly dad. See them in Marvel Cinematic Universe.

Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.

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

Rebecca Bunch struggles with decision making. So much so that she chases her high school boyfriend across the country to win him back. See them in Crazy Ex-Girlfriend.