Because you like Tenth Doctor in Doctor Who
Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
Stanley Barber is a loveable goofball with impeccable (if eccentric) fashion sense, unique music taste, and a wealth of strange but useful knowledge. See them in I Am Not Okay With This.
A brave but pessimistic nobleman, Boromir knows one does not simply walk into Mordor. See them in The Lord of the Rings.
Popular jock Andrew Clark is pretty bizarre. He's just better at hiding it, that's all. See them in The Breakfast Club.
Hughie Campbell didn't ask to be a hero, but he's tired of injustice. See them in The Boys.
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.
Killua Zoldyck is so tired of killing. He just wants to be a kid, hanging out and doing stuff with his friends. See them in Hunter x Hunter.
A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.
Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.
It's hard enough for Marta Cabrera to be part of a murder investigation, but when you can't lie? See them in Knives Out.
Patrick's time as a fake psychic made him a master manipulator. But he now seeks to only use his talent for good. See them in The Mentalist.