Dr. Pepper is a soft drink brand created in 1885 by pharmacist Charles Alderton in Waco, Texas, making it one of the oldest major soft drink brands in the US. It was introduced to a wider audience at the 1904 World's Fair in St. Louis. The drink was named after a Dr. from Virginia whose daughter Alderton was in love with. The brand now offers 8 flavors of Dr Pepper including regular, diet, cherry, and caffeine-free options.