Because you like Paul Varjak in Breakfast at Tiffany's
Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.
A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.
A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.
Whether she's working as a mild-mannered assistant or an all-powerful superhero, Kara Danvers is defined above all by her huge heart. See them in Supergirl.
Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.
Smart, sarcastic, and loyal, Stiles Stilinski doesn't just want to be the sidekick in someone else's life. See them in Teen Wolf.
An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.
Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
Percy Jackson is an ordinary student thrust into the world of myth come alive. See them in Percy Jackson & The Olympians: The Lightning Thief.
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.
Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars Series.