Every Batman needs a Robin, right?

Okay, well maybe the recent 'Dark Knight' trilogy got along just fine without Robin, but still, a great lead character often has a best friend. A second banana. His Number 2. The first mate. There are a hundred names for characters like Goose in 'Top Gun' or Chewbacca. And generally, viewers like the second guy even more than the first.

More From TheFW