Because you like Ricky in Trailer Park Boys
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in The Dark Knight.
If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.
With the ocean breeze behind him and the open seas ahead of him, Jack Dawson feels as if he is king of the world. See them in Titanic.
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.
Albus Dumbledore oversees the most unsafe school in recorded history, with Dementors and giant arachnids run amok. See them in Harry Potter Series.
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Thor / The Avengers.
Billionaire playboy by day and vigilante archer by night, Oliver Queen aims to rid Starling City of crime and atone for his past mistakes. See them in Arrow.
Abandoned by her parents, Rey made her living selling scrap metal and got used to being her own friend and teacher. See them in Star Wars Series.
A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
Hell hath no fury like an evil fairy scorned. See them in Maleficent.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.