Who? When? How big?

Christina, Cabrelle's sister, has set up a site where you can guess when the li'l dude will be born and how big he'll be. Check it out! Winner gets Nostradamus status, or something.

GUESS!

And while I'm at it, here's today's pop quiz:
What two words that rhyme are what you would call an enemy of our cat? Answers should be posted in the comments section. Hint: Total # of letters is less than seven.