Because you like Thomas J. Whitmore in Independence Day

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

Few can match this dwarf when it comes to self-confidence. Gimli is as eager for a good time as he is for a fight. See them in The Lord of the Rings.

Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

The self-proclaimed "only guilty man in Shawshank prison" has wisdom to share, such as the best way to smuggle a Rita Hayworth poster into a Maine prison. See them in The Shawshank Redemption.

A consummate schemer with a knack for solving mysteries, Shawn Spencer has trouble taking anything seriously. See them in Psych.

Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.

With his good looks and magnetic personality, Will Smith seems destined to be a Hollywood megastar. See them in The Fresh Prince of Bel-Air.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

From arguing for democracy in the Galactic Senate to pursuing a forbidden romance, Padme Amidala handles danger gracefully. See them in Star Wars Series.

Jacob Kowalski is just a baker caught up in an otherworldly adventure. See them in Fantastic Beasts and Where To Find Them.