I pit OpalCat - but my heart's not really in it.

Inner Stickler I hope you were smart enough to read up on it first so you know that you are not doing it wrong.

Opal did.

http://boards.straightdope.com/sdmb/showpost.php?p=14557389&postcount=58

I totally read that in the voice of Charlie Kelly.*

*aka Charlie from It’s Always Sunny in Philadelphia