Because you like Jane Smith in Mr. & Mrs. Smith

Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.

Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.

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

Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.

Awkward and anxious. It's not easy being Meg Griffin. See them in Family Guy.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.