Spotted doing the viral rounds and unattributed (though watermarked with a URL that redirects to Elbe Spurling's website) this wall of Dr. Pepper knockoffs is a magnificent lesson in branding magic and semiotics and all that fancy jazz. I transcribed the names:
Not included, tragically, is Kroger's recently-marketed "The Fizzicist", photographed here by Brent Nashville.
If I made one, it would be 'Not really a Dr."
Update: One ~bmasmith compiled a big list of Dr. Pepper clones.