Because you like Clark Kent in Smallville
A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.
An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.
Ace pilot Asuka Langley Soryu is confident, haughty, and a little less grown-up than she pretends to be. See them in Neon Genesis Evangelion.
A ball of cheerful energy, Pinkie Pie is as sweet as her name suggests and lives to bring others joy with laughter and parties. See them in My Little Pony.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.
Susanna Kaysen is an aspiring writer, despairing young woman who struggles with suicidal thoughts. See them in Girl, Interrupted.
Despite the undeniably awful turn her life has taken, Rachel handles herself with remarkable grace. See them in Me and Earl and the Dying Girl .
He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Dominic Toretto lives his life "a quarter mile at a time", and he burns through those miles faster than anyone. See them in The Fast and the Furious.