Because you like Bernadette Rostenkowski in The Big Bang Theory

Though she has the normal insecurities of a 15-year-old, Aurora is both courageous and empathetic. See them in Maleficent.

Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

Tempestuous and talented, Claire Randall is a woman with a passionate heart and a quick mind. See them in Outlander.

Charlotte York is an idealistic art curator who loves horses, tennis and Elizabeth Taylor movies. See them in Sex and the City.

A daughter of a pair of superheroes, Hope van Dyne is scientist is brilliant and fearsome. See them in Marvel Cinematic Universe.

Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.

Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.