Because you like Bernadette Rostenkowski in The Big Bang Theory

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

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.

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

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

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.

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

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

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

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

A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.