Because you like Ninth Doctor in Doctor Who

Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.

Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.

Summer Roberts is privileged and preppy but also surprisingly open-minded and fiercely loyal. See them in The O.C..

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.

A daughter of a pair of superheroes, Hope van Dyne is scientist is brilliant and fearsome. See them in Marvel Cinematic Universe.

The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.

When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.

Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.

Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Obi-Wan Kenobi is a sage Jedi who doesn't need to say much to teach you a galaxy's worth of wisdom. See them in Star Wars Series.