Because you like Christopher John Francis Boone in The Curious Incident of the Dog in the Night-Time
Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.
Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.
Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.
Jacob Black is the boy next door who's also the wolf next door. See them in Twilight.
We're all puppets. Dr. Manhattan is just a puppet who can see the strings. See them in Watchmen.
Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.
Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .
Don't let his old age fool you, Heihachi Mishima is a ruthless pragmatist who values self-reliance above all else. See them in Tekken .
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.
Ilana Wexler is rarely found without a joint. When she's not absolutely blazed, she is a below average employee and an incredible best friend. See them in Broad City.
Is there more to life than being really, really, ridiculously good looking? Derek Zoolander thinks not. See them in Zoolander.