Because you like Brandon Teena in Boys Don't Cry

The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.

Haymitch Abernathy is a trainer for the tributes of District 12, although he's never sober enough to give much advice. See them in The Hunger Games .

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

If you died and came back to life, and then died more times and came back, you might stop battling evil mutants. Not Jean Grey. See them in X-Men Series.

Juliet Capulet falls head over heels for her rival family's resident sweet talker, Romeo. See them in Romeo & Juliet.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Driven yet empathetic, Emily Prentiss brings humanity to the pursuit of inhuman killers. See them in Criminal Minds.

Logan Huntzberger is a daredevil, romantic, and heir to a media empire. See them in Gilmore Girls.