Because you like Jack Harkness in Doctor Who

Freelance writer Diane is dating a dog and writing a memoir of a horse. See them in Bojack Horseman.

Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.

Some say to survive in Underland you need to be as mad as a hatter–which, luckily, he is. See them in Alice in Wonderland.

A soulful bass player, Nick O'Leary can't stop sending breakup CDs to his ex. See them in Nick and Norah's Infinite Playlist.

Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.

If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.

Nozomu's name translates to despair, which is fitting for him. See them in Sayonara, Zetsubo Sensei.

A baker turned reluctant fighter, Peeta Mellark can charm his way out of just about any situation. See them in The Hunger Games .

Yoda is wise, patient, and capable of kicking ass. He's done his best to mentor young Jedi and protect the balance of Light and Dark. See them in Star Wars Series.

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.