Because you like Duncan Kane in Veronica Mars

Hell hath no fury like an evil fairy scorned. See them in Maleficent.

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

Chandler Bings keeps his friends on their toes with his cutting wit, all the while trying to discover his own place in life. Could he BE any funnier? See them in Friends.

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

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