Because you like Radar O'Reilly in M*A*S*H

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

Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.

The seasoned detectives in River Heights have got nothing on amateur sleuth Nancy Drew. See them in Nancy Drew.

Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.

Calling Alicia Florrick a "good wife" is damning this smart, capable, thoughtful woman with too-faint praise. See them in The Good Wife.

A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.

Hannah Horvath is kind of a mess, but she owns her messiness in a way few people do. See them in Girls.

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.

Nothing inspires dread like the mysterious, masked Man in Black. But what's he hiding? See them in The Princess Bride.

D.J. Tanner is a rebellious teen who wishes her lame dad would butt out of her personal life. See them in Full House.