Because you like Frasier Crane in Frasier
Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.
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.
Causing mayhem practically since birth, rambunctious Fred Weasley plays pranks on his siblings and avoids school at all costs. See them in Harry Potter Series.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.
John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.
Felicity Smoak is a brilliant hacker who nonetheless becomes tongue-tied in front of attractive men. See them in DC Extended Universe.
Manipulative, conniving, and ruthless, Mr. Gold is enigmatic no matter what world he's in. See them in Once Upon a Time.
Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.
Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.
A believer in the philosophy of Nietzsche, Dwayne Hoover has taken a vow of silence until he becomes a test pilot for the Air Force. See them in Little Miss Sunshine.