Because you like Lucy Ricardo in I Love Lucy

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

They say prison changes you, and Piper Chapman is figuring that out the hard way. See them in Orange Is The New Black.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

WALL-E is a quirky little romantic robot cleaning the wasteland known as Earth. See them in WALL-E.

After figuring out how both the light and dark halves of his soul could co-exist, Jak is maturing into a real hero. See them in Jak and Daxter.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

He's a dedicated cop and a nice guy. But James Gordon is learning that Gotham is not a city for nice guys. See them in Gotham.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.

Though a painful tragedy leaves her closed off and distant, Rosalina is still an endlessly kind princess. See them in Super Mario Galaxy .