Because you like D'Angelo Barksdale in The Wire

An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.

A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.