What does R. in front of someone's name signify?

reverend

I always thought it stood for “rob the cradle”, but then again, only guy I can think of with the R. in front sings R&B and doesn’t get along with Jay-Z that well anymore. LL cool J can back that name up. Not many men can say the same. Mmm, LL…

Well, it could mean “Reverand,” though that’s usually abbreviated “Rev.” It could mean “Rex,” though you usually know when someone is a king. Then of course, like everyone else pointed out, it could just be a first initial. For an extensive list of possibilities, see “The Life of Brian,” at the releasing (weweesin) of the prisoners scene.

I would put my money on Richard.

Since this is such a popular thread, I will make sure to update when I find out the answer. Don’t stay on the edge of your seat too long… I don’t want anyone to be disappointed.