Because you like Master Chief (John-117) in Halo

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

Winn Schott is just your friendly neighborhood superhero support system. See them in Supergirl.

His name is Olaf, he's a snowman, and he likes warm hugs. See them in Frozen.

There's erratic, and then there's Senor Chang. See them in Community.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

A laid-back wanderer, Ginko has an empathetic, open-minded worldview. See them in Mushishi.

Ahape-shifting dog, Jake is the last man's best friend. See them in Adventure Time.

Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.

An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.

Petyr Baelish's main assets? A sharp mind, deep pockets, and no scruples. See them in Game of Thrones.

Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.

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.