Because you like Kyle Broflovski in South Park

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.

Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.

What Mako Mankanshoku lacks in common sense, she makes up for in sheer optimism and force of personality. See them in Kill la Kill.

Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.

Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.

Audrey Horne may seem inquisitive and charming, but she can turn on a dime. See them in Twin Peaks.

Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.

Kevin Khatchadourian is a disturbed, affect-less teen on a dark path. See them in We Need to Talk About Kevin.

Society may reject Felicia, but this bubbly catwoman just wants to spread happiness to others. See them in Darkstalkers .

Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.