Because you like Bernadette Rostenkowski in The Big Bang Theory

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

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

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

Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.

Holland March is known to wake up hungover in full bathtubs. See them in The Nice Guys.

Intelligent Adele is soft spoken yet brimming with emotion. See them in Blue is the Warmest Color.

Surly and sarcastic, Manny travels alone and prefers it that way. See them in Ice Age.

There's nothing "demi" about this demigod's massive ego. See them in Moana.

Greg Lestrade is gruff, loyal, and quietly competent. See them in Sherlock.

Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.

Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.