Because you like Raj Koothrappali in The Big Bang Theory
Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.
After training a herd of raptor dinosaurs, everything else is a breeze for Owen Grady. See them in Jurassic World.
An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.
Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.
With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.
Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.
Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.
Christopher Turk is bringing his A-game to his next big challenge: becoming a surgeon. See them in Scrubs.
The black sheep of his family, Rhett Butler grew up to have charm and to see things as they are. He just doesn't give a damn anymore. See them in Gone with the Wind.
Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.
A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.