Because you like C.C. Baxter in The Apartment
An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.
L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.
Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.
A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
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.