Because you like Lisa Cuddy in House M.D.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Loyal and supportive, Cece Parekh is the best friend a girl could ask for. It doesn't hurt that she's a supermodel. See them in New Girl.

Merciless and manipulative, Queen Ravenna is determined to become the fairest of them all. See them in Snow White and the Huntsman.

A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.

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

As high-strung as she is talented, Rachel Berry both marches and sings to the beat of her own drum. See them in Glee.

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

Riley Blue is trying to outrun her bad luck, but she might not be fast enough. See them in Sense8.

A formerly adventurous playboy, Will Traynor has become cynical by what life has thrown at him. See them in Me Before You.