Because you like George Sands in Being Human

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

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.

A Berlin-based locksmith by day, Wolfgang Bogdanow is a world-class thief by night. He can also see out of other people's eyes, but that's a different issue. See them in Sense8.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

Manipulative, conniving, and ruthless, Mr. Gold is enigmatic no matter what world he's in. See them in Once Upon a Time.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Usually the life of the party, Laszlo is now seriously planning the vampiric takeover of the New World. Or at least Staten Island. See them in What We Do In The Shadows.

Nandor is a relentless vampire who never admits he's wrong, loves glitter, and can't use a tablet. See them in What We Do In The Shadows.

Charlotte is ready to embrace connection in a strange place. See them in Lost in Translation.

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.

Quentin Coldwater has always suspected there was something different about him, and now he has the chance to prove it. See them in The Magicians.