Because you like D'Artagnan in The Three Musketeers

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

Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.

Miss Havisham is the creepiest old rich lady in town. See them in Great Expectations.

Empathetic Nausicaa embraces all forms of life, even those that might scare other people. See them in Nausicaa of the Valley of the Wind.

Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.