Because you like Doogie Howser in Doogie Howser, M.D.

Gloria Delgado-Pritchett's big personality is rivaled only by her big heart. Wait, did we mention she's gorgeous? See them in Modern Family.

Christopher Turk is bringing his A-game to his next big challenge: becoming a surgeon. See them in Scrubs.

Charming and confident, Gus Waters is determined to leave a lasting mark on the world. See them in The Fault in Our Stars.

Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.

Ponyboy Curtis is a "Greaser" on the surface, but he's a sensitive poet underneath. See them in The Outsiders.

Penelope Garcia is the smartest ex-con turned FBI tech, but her fashion never fails to raise eyebrows. See them in Criminal Minds.

George Weasley likes to invent quirky joke products, play Quidditch, and cause poor Mrs. Weasley a lot of anxiety. See them in Harry Potter Series.

A brilliant "extractor," Dom Cobb has spent the past few years running from the authorities and his inner demons. See them in Inception.

A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.

Mark Zuckerberg has achieved everything he's ever wanted, and he's proving to the world how brilliant he is. But happiness eludes him. See them in The Social Network.

Stuck on a lifeboat with zoo animals without food and fresh water, Pi Patel uses his intelligence to face the greatest test of all: survival. See them in Life of Pi.