Because you like Ziva David in NCIS

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

Bobby Singer is a redneck ghost hunter, but all he wants to do is retire to the junk yards of South Dakota. See them in Supernatural.

Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.

Dewey Finn will rock you. He feels rock and roll in his blood and guts. See them in School of Rock.

James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..

Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.

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

Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.

Krusty The Clown somehow makes life sillier and more somber at the same time. See them in The Simpsons.