Because you like Roy Trenneman in The IT Crowd

After Otto Octavius' accident, he becomes fixated on finishing the reactor at any cost. See them in Marvel Cinematic Universe.

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

Princess-turned-General Leia Organa is a sharp, fearless royal who gets herself into trouble and fights her way out of it. See them in Star Wars Series.

A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

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

James T. Kirk is more than ready to face the final frontier. See them in Star Trek.

Michonne 's light on conversation and deadly with a blade. See them in The Walking Dead.

Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..

Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.

Tina Belcher is on the cusp of puberty, and she has no shame when it comes to boys, butts, and brassieres. See them in Bob's Burgers.

If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.