Because you like O-Ren Ishii in Kill Bill vol. 1
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.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.
If the awesome Andie Walsh is from the wrong side of the tracks, we don't want to be right. See them in Pretty in Pink.
April Ludgate doesn't like sunshine. She's more of a blood and guts kinda girl. See them in Parks and Recreation.
Selfishly taking her father’s place to fight in the Imperial Army, Hua Mulan risks treason if they find out she isn’t who she says she is. See them in Mulan.
Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.
The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.
Strong-willed Norah Silverberg isn't willing to be the goody bag at anyone's pity party. See them in Nick and Norah's Infinite Playlist.
Connor Walsh is arrogant enough to think he's the smartest guy in the room, and quick-witted enough to prove that he is. See them in How to Get Away with Murder.