Because you like Egon Spengler in Ghostbusters

Cady Heron is the new girl in town who's also new to the world of high school, period. See them in Mean Girls.

Beneath Arthur's brash demeanor lurks the heart of a compassionate future king destined to unite the five kingdoms. See them in Merlin.

A believer in the philosophy of Nietzsche, Dwayne Hoover has taken a vow of silence until he becomes a test pilot for the Air Force. See them in Little Miss Sunshine.

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.

Shy and nerdy, Gabriella Montez moved to Albuquerque and quickly became the toast of East High and a darling of the stage. See them in High School Musical.

Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.

Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.

If Jack Torrance is one of his moods, you'll be the unlucky victim of the most bone-chilling, sinister yellers around. Bring your own axe. See them in The Shining.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

Adults call him troubled and kids call him crazy, but Donnie Darko is too busy following the instructions of a giant bunny rabbit to care. See them in Donnie Darko.

Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.