1. Which of TV's 'Friends' was the identical twin of Ursula Buffay, a character on 'Mad About You'?

2. What cousin of the ostrich is South America's largest flightless bird?

3. In 1585, a Flemish engraver named Gerardus Mercator published the first book of maps called what?

4. What 2012 science fiction movie was Ridley Scott's loose prequel to his first hit, 'Alien'?

5. What speedy NFL running back do fans call "CJ2K"?

What’s the "Kennection" between all five answers?