Ok, they got me!
I would have never bought a Coca-Cola at Walmart tonight... if they hadn't put a bottle with my name on it in the check-out aisle.  I heard about this "Share A Coke" campaign a couple of months ago and started seeing the bottles and cans a few weeks ago.  
The bottles are the ones with names.  The cans have "nicknames" on them.  Yesterday someone saved a couple cans for me, so these were my first two name cans:
Today I had a couple more people text to tell me they were watching for name cans for me.  I don't know how many different cans there are, but I'll update this post every time I get a new one.  We'll see how many I can score in the upcoming weeks.
07/18/2014 Update - I found this Buddy on the side of the road.  "Never pick up hitchhikers," but this one I couldn't resist.
 
07/19/2014 Update - I saw this lying in a parking lot.  A sad thing indeed.  So now I know there is a can with "Legend" on it.  For those wondering, I did 
not bring this one home for my collection.
07/21/2014 Update - I visited a friend this evening who had saved six cans for me.  Nice!  "But you already have Buddy, Friend and BFF."  Yes, but the ones I got tonight each have a Six Flags coupon ad on it, making them different than the plain ones I had before.

 
Keep 'em coming...
07/30/2014 Update - Last night a friend dropped off a bag of Coca-Cola cans on my front porch.
After going through them, I found the three cans below that I didn't have.  I already had the version of each can with the Six Flags ad, but not the plain can.  So now I have the plain ones.
I keep seeing the same nicknames over and over, so I may have them all as of now for my area.  Sometimes new batches will come through a little later, so that's what I'll be watching for.
08/16/2014 Update - Last night I got my first Diet Coke nickname can.  And appropriately enough, it was given to me by my dad.